/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 22:33:55,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 22:33:55,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 22:33:55,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 22:33:55,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 22:33:55,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 22:33:55,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 22:33:55,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 22:33:55,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 22:33:55,905 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 22:33:55,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 22:33:55,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 22:33:55,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 22:33:55,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 22:33:55,907 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 22:33:55,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 22:33:55,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 22:33:55,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 22:33:55,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 22:33:55,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 22:33:55,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 22:33:55,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 22:33:55,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 22:33:55,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 22:33:55,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 22:33:55,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 22:33:55,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 22:33:55,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 22:33:55,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 22:33:55,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 22:33:55,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 22:33:55,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 22:33:55,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 22:33:55,912 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 22:33:55,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 22:33:55,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 22:33:55,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 22:33:55,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 22:33:55,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 22:33:55,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 22:33:55,915 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 22:33:55,915 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 22:33:56,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 22:33:56,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 22:33:56,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 22:33:56,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 22:33:56,125 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 22:33:56,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2023-12-24 22:33:57,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 22:33:57,351 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 22:33:57,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2023-12-24 22:33:57,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567eac6d2/6b9ec1153faa403fa2cba97eace6d926/FLAG822a247b0 [2023-12-24 22:33:57,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567eac6d2/6b9ec1153faa403fa2cba97eace6d926 [2023-12-24 22:33:57,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 22:33:57,370 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 22:33:57,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 22:33:57,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 22:33:57,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 22:33:57,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec79d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57, skipping insertion in model container [2023-12-24 22:33:57,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 22:33:57,541 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2023-12-24 22:33:57,547 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2023-12-24 22:33:57,550 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2023-12-24 22:33:57,551 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2023-12-24 22:33:57,552 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2023-12-24 22:33:57,553 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2023-12-24 22:33:57,555 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2023-12-24 22:33:57,557 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2023-12-24 22:33:57,559 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2023-12-24 22:33:57,560 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2023-12-24 22:33:57,562 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2023-12-24 22:33:57,562 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2023-12-24 22:33:57,591 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2023-12-24 22:33:57,592 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2023-12-24 22:33:57,594 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2023-12-24 22:33:57,595 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2023-12-24 22:33:57,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 22:33:57,607 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 22:33:57,615 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2023-12-24 22:33:57,616 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2023-12-24 22:33:57,618 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2023-12-24 22:33:57,619 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2023-12-24 22:33:57,620 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2023-12-24 22:33:57,620 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2023-12-24 22:33:57,621 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2023-12-24 22:33:57,622 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2023-12-24 22:33:57,623 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2023-12-24 22:33:57,624 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2023-12-24 22:33:57,625 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2023-12-24 22:33:57,625 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2023-12-24 22:33:57,646 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2023-12-24 22:33:57,647 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2023-12-24 22:33:57,649 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2023-12-24 22:33:57,650 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2023-12-24 22:33:57,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 22:33:57,667 INFO L206 MainTranslator]: Completed translation [2023-12-24 22:33:57,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57 WrapperNode [2023-12-24 22:33:57,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 22:33:57,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 22:33:57,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 22:33:57,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 22:33:57,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,708 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 676 [2023-12-24 22:33:57,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 22:33:57,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 22:33:57,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 22:33:57,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 22:33:57,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,734 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-24 22:33:57,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 22:33:57,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 22:33:57,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 22:33:57,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 22:33:57,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (1/1) ... [2023-12-24 22:33:57,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 22:33:57,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 22:33:57,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-24 22:33:57,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-24 22:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 22:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 22:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 22:33:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 22:33:57,913 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 22:33:57,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 22:33:58,287 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 22:33:58,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 22:33:58,312 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-24 22:33:58,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:33:58 BoogieIcfgContainer [2023-12-24 22:33:58,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 22:33:58,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 22:33:58,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 22:33:58,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 22:33:58,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 10:33:57" (1/3) ... [2023-12-24 22:33:58,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdde899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:33:58, skipping insertion in model container [2023-12-24 22:33:58,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:33:57" (2/3) ... [2023-12-24 22:33:58,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdde899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:33:58, skipping insertion in model container [2023-12-24 22:33:58,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:33:58" (3/3) ... [2023-12-24 22:33:58,318 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c [2023-12-24 22:33:58,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 22:33:58,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-24 22:33:58,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 22:33:58,375 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36494bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 22:33:58,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-24 22:33:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.9306930693069306) internal successors, (195), 117 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-24 22:33:58,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:58,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-24 22:33:58,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:33:58,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:58,395 INFO L85 PathProgramCache]: Analyzing trace with hash 575665042, now seen corresponding path program 1 times [2023-12-24 22:33:58,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:58,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754914299] [2023-12-24 22:33:58,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:58,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:58,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:58,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 22:33:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:58,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 22:33:58,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:33:58,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:58,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:58,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754914299] [2023-12-24 22:33:58,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754914299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:58,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:58,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 22:33:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647749570] [2023-12-24 22:33:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:58,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 22:33:58,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 22:33:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 22:33:58,600 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.9306930693069306) internal successors, (195), 117 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:58,778 INFO L93 Difference]: Finished difference Result 130 states and 208 transitions. [2023-12-24 22:33:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 22:33:58,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-24 22:33:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:58,788 INFO L225 Difference]: With dead ends: 130 [2023-12-24 22:33:58,788 INFO L226 Difference]: Without dead ends: 120 [2023-12-24 22:33:58,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:33:58,796 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 20 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:58,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 410 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:33:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-24 22:33:58,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-24 22:33:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 116 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2023-12-24 22:33:58,831 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 6 [2023-12-24 22:33:58,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:58,831 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2023-12-24 22:33:58,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2023-12-24 22:33:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-24 22:33:58,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:58,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:58,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 22:33:59,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:33:59,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash 665751169, now seen corresponding path program 1 times [2023-12-24 22:33:59,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:59,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204527353] [2023-12-24 22:33:59,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:59,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:59,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:59,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 22:33:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:59,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:33:59,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:33:59,102 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:59,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204527353] [2023-12-24 22:33:59,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204527353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:59,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:59,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:33:59,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250872290] [2023-12-24 22:33:59,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:59,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:33:59,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:59,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:33:59,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:33:59,105 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:59,233 INFO L93 Difference]: Finished difference Result 120 states and 140 transitions. [2023-12-24 22:33:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 22:33:59,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-24 22:33:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:59,234 INFO L225 Difference]: With dead ends: 120 [2023-12-24 22:33:59,234 INFO L226 Difference]: Without dead ends: 115 [2023-12-24 22:33:59,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:33:59,235 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 7 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:59,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 287 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:33:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-24 22:33:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-24 22:33:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 114 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2023-12-24 22:33:59,240 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 7 [2023-12-24 22:33:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:59,240 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2023-12-24 22:33:59,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2023-12-24 22:33:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-24 22:33:59,241 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:59,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:59,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 22:33:59,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,443 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:33:59,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash 469669110, now seen corresponding path program 1 times [2023-12-24 22:33:59,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:59,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938165481] [2023-12-24 22:33:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:59,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:59,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:59,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 22:33:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:59,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:33:59,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:33:59,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:59,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:59,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938165481] [2023-12-24 22:33:59,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938165481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:59,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:59,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:33:59,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280824956] [2023-12-24 22:33:59,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:59,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:33:59,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:59,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:33:59,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:33:59,546 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:33:59,714 INFO L93 Difference]: Finished difference Result 152 states and 173 transitions. [2023-12-24 22:33:59,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 22:33:59,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-24 22:33:59,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:33:59,715 INFO L225 Difference]: With dead ends: 152 [2023-12-24 22:33:59,715 INFO L226 Difference]: Without dead ends: 150 [2023-12-24 22:33:59,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:33:59,716 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 44 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:33:59,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 287 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:33:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-24 22:33:59,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 117. [2023-12-24 22:33:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 116 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2023-12-24 22:33:59,721 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 10 [2023-12-24 22:33:59,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:33:59,721 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2023-12-24 22:33:59,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:33:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2023-12-24 22:33:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-24 22:33:59,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:33:59,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:33:59,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-24 22:33:59,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:33:59,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:33:59,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1752328187, now seen corresponding path program 1 times [2023-12-24 22:33:59,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:33:59,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462696583] [2023-12-24 22:33:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:33:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:33:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:33:59,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:33:59,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-24 22:33:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:33:59,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:33:59,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:33:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:33:59,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:33:59,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:33:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462696583] [2023-12-24 22:33:59,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462696583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:33:59,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:33:59,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:33:59,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832412047] [2023-12-24 22:33:59,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:33:59,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:33:59,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:33:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:33:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:33:59,990 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:00,173 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2023-12-24 22:34:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 22:34:00,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-24 22:34:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:00,174 INFO L225 Difference]: With dead ends: 150 [2023-12-24 22:34:00,174 INFO L226 Difference]: Without dead ends: 148 [2023-12-24 22:34:00,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:00,175 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 42 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:00,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 287 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-24 22:34:00,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2023-12-24 22:34:00,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 119 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-12-24 22:34:00,180 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 10 [2023-12-24 22:34:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:00,180 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-12-24 22:34:00,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-12-24 22:34:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-24 22:34:00,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:00,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:00,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:00,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:00,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:00,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1674844573, now seen corresponding path program 1 times [2023-12-24 22:34:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:00,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017917710] [2023-12-24 22:34:00,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:00,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:00,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-24 22:34:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:00,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:00,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:00,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:00,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:00,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017917710] [2023-12-24 22:34:00,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017917710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:00,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:00,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:00,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795720016] [2023-12-24 22:34:00,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:00,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:00,481 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:00,705 INFO L93 Difference]: Finished difference Result 148 states and 169 transitions. [2023-12-24 22:34:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-12-24 22:34:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:00,706 INFO L225 Difference]: With dead ends: 148 [2023-12-24 22:34:00,706 INFO L226 Difference]: Without dead ends: 143 [2023-12-24 22:34:00,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:00,707 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 35 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:00,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 325 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-24 22:34:00,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2023-12-24 22:34:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 117 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2023-12-24 22:34:00,711 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 11 [2023-12-24 22:34:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:00,712 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2023-12-24 22:34:00,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2023-12-24 22:34:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-24 22:34:00,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:00,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:00,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-24 22:34:00,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:00,914 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:00,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:00,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1512396964, now seen corresponding path program 1 times [2023-12-24 22:34:00,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:00,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084001177] [2023-12-24 22:34:00,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:00,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:00,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:00,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-24 22:34:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:00,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:00,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:00,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:00,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:00,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084001177] [2023-12-24 22:34:00,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084001177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:00,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:00,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:00,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528847393] [2023-12-24 22:34:00,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:00,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:00,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:00,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:00,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:00,993 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:01,181 INFO L93 Difference]: Finished difference Result 143 states and 164 transitions. [2023-12-24 22:34:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:01,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-12-24 22:34:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:01,182 INFO L225 Difference]: With dead ends: 143 [2023-12-24 22:34:01,182 INFO L226 Difference]: Without dead ends: 139 [2023-12-24 22:34:01,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:01,183 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:01,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 308 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:01,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-12-24 22:34:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 117. [2023-12-24 22:34:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2023-12-24 22:34:01,186 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 11 [2023-12-24 22:34:01,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:01,187 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2023-12-24 22:34:01,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2023-12-24 22:34:01,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-24 22:34:01,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:01,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:01,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:01,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:01,394 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:01,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:01,394 INFO L85 PathProgramCache]: Analyzing trace with hash 375480238, now seen corresponding path program 1 times [2023-12-24 22:34:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:01,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510593338] [2023-12-24 22:34:01,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:01,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:01,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:01,396 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:01,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-24 22:34:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:01,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:34:01,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:01,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:01,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:01,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510593338] [2023-12-24 22:34:01,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510593338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:01,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:01,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:34:01,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544257283] [2023-12-24 22:34:01,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:01,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:34:01,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:01,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:34:01,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:34:01,479 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:01,641 INFO L93 Difference]: Finished difference Result 170 states and 193 transitions. [2023-12-24 22:34:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:01,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-24 22:34:01,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:01,642 INFO L225 Difference]: With dead ends: 170 [2023-12-24 22:34:01,642 INFO L226 Difference]: Without dead ends: 168 [2023-12-24 22:34:01,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:01,643 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 62 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:01,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 352 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-24 22:34:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 120. [2023-12-24 22:34:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 119 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-12-24 22:34:01,647 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 12 [2023-12-24 22:34:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:01,647 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-12-24 22:34:01,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-12-24 22:34:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-24 22:34:01,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:01,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:01,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:01,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:01,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:01,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:01,850 INFO L85 PathProgramCache]: Analyzing trace with hash 377204142, now seen corresponding path program 1 times [2023-12-24 22:34:01,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:01,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254175513] [2023-12-24 22:34:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:01,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:01,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:01,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-24 22:34:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:01,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:34:01,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:01,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:01,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254175513] [2023-12-24 22:34:01,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254175513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:01,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:01,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:34:01,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895504658] [2023-12-24 22:34:01,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:01,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:34:01,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:34:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:34:01,940 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:02,136 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2023-12-24 22:34:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 22:34:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-24 22:34:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:02,137 INFO L225 Difference]: With dead ends: 137 [2023-12-24 22:34:02,137 INFO L226 Difference]: Without dead ends: 135 [2023-12-24 22:34:02,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:02,138 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 27 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:02,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 295 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:02,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-12-24 22:34:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 122. [2023-12-24 22:34:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 121 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2023-12-24 22:34:02,141 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 12 [2023-12-24 22:34:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:02,141 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2023-12-24 22:34:02,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2023-12-24 22:34:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-24 22:34:02,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:02,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:02,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:02,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:02,344 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:02,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1245010401, now seen corresponding path program 1 times [2023-12-24 22:34:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268399823] [2023-12-24 22:34:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:02,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:02,346 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:02,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-24 22:34:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:02,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:02,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:02,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:02,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:02,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268399823] [2023-12-24 22:34:02,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268399823] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:02,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:02,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:02,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898405549] [2023-12-24 22:34:02,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:02,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:02,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:02,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:02,521 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:02,724 INFO L93 Difference]: Finished difference Result 169 states and 192 transitions. [2023-12-24 22:34:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:02,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-24 22:34:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:02,725 INFO L225 Difference]: With dead ends: 169 [2023-12-24 22:34:02,725 INFO L226 Difference]: Without dead ends: 167 [2023-12-24 22:34:02,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:02,726 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 54 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:02,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 429 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-24 22:34:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 123. [2023-12-24 22:34:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.355140186915888) internal successors, (145), 122 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2023-12-24 22:34:02,728 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 13 [2023-12-24 22:34:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:02,728 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2023-12-24 22:34:02,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2023-12-24 22:34:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-24 22:34:02,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:02,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:02,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:02,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:02,931 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:02,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:02,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1243463256, now seen corresponding path program 1 times [2023-12-24 22:34:02,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926031713] [2023-12-24 22:34:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:02,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:02,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:02,933 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:02,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-24 22:34:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:02,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 22:34:02,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:02,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:02,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:02,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926031713] [2023-12-24 22:34:02,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926031713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:02,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:02,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 22:34:02,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992679031] [2023-12-24 22:34:02,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:02,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 22:34:02,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:02,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 22:34:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 22:34:02,993 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:03,239 INFO L93 Difference]: Finished difference Result 164 states and 187 transitions. [2023-12-24 22:34:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:03,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-24 22:34:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:03,240 INFO L225 Difference]: With dead ends: 164 [2023-12-24 22:34:03,240 INFO L226 Difference]: Without dead ends: 162 [2023-12-24 22:34:03,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:03,241 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:03,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 371 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-24 22:34:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 125. [2023-12-24 22:34:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.348623853211009) internal successors, (147), 124 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2023-12-24 22:34:03,245 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 13 [2023-12-24 22:34:03,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:03,245 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2023-12-24 22:34:03,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2023-12-24 22:34:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-24 22:34:03,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:03,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:03,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:03,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:03,448 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:03,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1191569321, now seen corresponding path program 1 times [2023-12-24 22:34:03,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:03,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310830266] [2023-12-24 22:34:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:03,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:03,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-24 22:34:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:03,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:03,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:03,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:03,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:03,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310830266] [2023-12-24 22:34:03,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310830266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:03,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:03,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:03,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059965182] [2023-12-24 22:34:03,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:03,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:03,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:03,570 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:03,747 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2023-12-24 22:34:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:03,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-24 22:34:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:03,749 INFO L225 Difference]: With dead ends: 131 [2023-12-24 22:34:03,749 INFO L226 Difference]: Without dead ends: 127 [2023-12-24 22:34:03,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:03,749 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 14 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:03,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 309 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:03,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-24 22:34:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2023-12-24 22:34:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3425925925925926) internal successors, (145), 123 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2023-12-24 22:34:03,751 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 13 [2023-12-24 22:34:03,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:03,752 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2023-12-24 22:34:03,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2023-12-24 22:34:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-24 22:34:03,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:03,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:03,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-24 22:34:03,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:03,954 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:03,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash -86807662, now seen corresponding path program 1 times [2023-12-24 22:34:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:03,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580711900] [2023-12-24 22:34:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:03,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:03,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:03,955 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:03,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-24 22:34:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:03,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:03,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:04,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:04,019 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:04,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580711900] [2023-12-24 22:34:04,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580711900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:04,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:04,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:04,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343775875] [2023-12-24 22:34:04,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:04,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:04,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:04,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:04,020 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:04,244 INFO L93 Difference]: Finished difference Result 171 states and 193 transitions. [2023-12-24 22:34:04,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:04,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-24 22:34:04,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:04,245 INFO L225 Difference]: With dead ends: 171 [2023-12-24 22:34:04,245 INFO L226 Difference]: Without dead ends: 169 [2023-12-24 22:34:04,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:04,246 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 65 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:04,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 324 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:04,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-12-24 22:34:04,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 128. [2023-12-24 22:34:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 127 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2023-12-24 22:34:04,248 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 14 [2023-12-24 22:34:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:04,248 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2023-12-24 22:34:04,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2023-12-24 22:34:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-24 22:34:04,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:04,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:04,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:04,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:04,451 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:04,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1962838740, now seen corresponding path program 1 times [2023-12-24 22:34:04,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:04,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306157876] [2023-12-24 22:34:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:04,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:04,452 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:04,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-24 22:34:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:04,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:04,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:04,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:04,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306157876] [2023-12-24 22:34:04,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306157876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:04,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:04,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:04,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337110451] [2023-12-24 22:34:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:04,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:04,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:04,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:04,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:04,517 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:04,724 INFO L93 Difference]: Finished difference Result 169 states and 191 transitions. [2023-12-24 22:34:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:04,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-24 22:34:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:04,725 INFO L225 Difference]: With dead ends: 169 [2023-12-24 22:34:04,725 INFO L226 Difference]: Without dead ends: 167 [2023-12-24 22:34:04,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:04,726 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 63 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:04,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 324 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-24 22:34:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 130. [2023-12-24 22:34:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 129 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2023-12-24 22:34:04,728 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 14 [2023-12-24 22:34:04,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:04,728 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2023-12-24 22:34:04,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2023-12-24 22:34:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-24 22:34:04,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:04,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:04,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:04,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:04,938 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:04,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash 107348872, now seen corresponding path program 1 times [2023-12-24 22:34:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330679155] [2023-12-24 22:34:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:04,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:04,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:04,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:04,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-24 22:34:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:04,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:04,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:05,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:05,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:05,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330679155] [2023-12-24 22:34:05,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330679155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:05,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:05,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:05,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136493845] [2023-12-24 22:34:05,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:05,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:05,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:05,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:05,068 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:05,286 INFO L93 Difference]: Finished difference Result 164 states and 188 transitions. [2023-12-24 22:34:05,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:05,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-24 22:34:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:05,287 INFO L225 Difference]: With dead ends: 164 [2023-12-24 22:34:05,287 INFO L226 Difference]: Without dead ends: 162 [2023-12-24 22:34:05,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:05,288 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 41 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:05,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 448 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-24 22:34:05,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 130. [2023-12-24 22:34:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.3333333333333333) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2023-12-24 22:34:05,290 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 14 [2023-12-24 22:34:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:05,290 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2023-12-24 22:34:05,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2023-12-24 22:34:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-24 22:34:05,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:05,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:05,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:05,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:05,492 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:05,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1603933861, now seen corresponding path program 1 times [2023-12-24 22:34:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:05,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334790847] [2023-12-24 22:34:05,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:05,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:05,508 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:05,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-24 22:34:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:05,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:05,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:05,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:05,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334790847] [2023-12-24 22:34:05,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334790847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:05,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:05,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726732951] [2023-12-24 22:34:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:05,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:05,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:05,582 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:05,843 INFO L93 Difference]: Finished difference Result 165 states and 187 transitions. [2023-12-24 22:34:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:05,844 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-24 22:34:05,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:05,844 INFO L225 Difference]: With dead ends: 165 [2023-12-24 22:34:05,845 INFO L226 Difference]: Without dead ends: 161 [2023-12-24 22:34:05,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:05,845 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 53 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:05,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 361 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:05,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-24 22:34:05,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 129. [2023-12-24 22:34:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 128 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2023-12-24 22:34:05,847 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 15 [2023-12-24 22:34:05,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:05,847 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2023-12-24 22:34:05,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2023-12-24 22:34:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-24 22:34:05,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:05,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:05,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:06,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:06,065 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:06,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:06,066 INFO L85 PathProgramCache]: Analyzing trace with hash -718454745, now seen corresponding path program 1 times [2023-12-24 22:34:06,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:06,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102900258] [2023-12-24 22:34:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:06,076 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:06,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-24 22:34:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:06,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:06,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:06,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:06,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:06,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102900258] [2023-12-24 22:34:06,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102900258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:06,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:06,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:06,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898121851] [2023-12-24 22:34:06,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:06,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:06,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:06,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:06,169 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:06,412 INFO L93 Difference]: Finished difference Result 161 states and 183 transitions. [2023-12-24 22:34:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-24 22:34:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:06,413 INFO L225 Difference]: With dead ends: 161 [2023-12-24 22:34:06,413 INFO L226 Difference]: Without dead ends: 156 [2023-12-24 22:34:06,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:06,413 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 50 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:06,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 365 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-24 22:34:06,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2023-12-24 22:34:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 126 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2023-12-24 22:34:06,416 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 15 [2023-12-24 22:34:06,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:06,416 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2023-12-24 22:34:06,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2023-12-24 22:34:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-24 22:34:06,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:06,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:06,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:06,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:06,618 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:06,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:06,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1841007970, now seen corresponding path program 1 times [2023-12-24 22:34:06,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:06,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903655411] [2023-12-24 22:34:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:06,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:06,620 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:06,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-24 22:34:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:06,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:06,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:06,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:06,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:06,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903655411] [2023-12-24 22:34:06,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903655411] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:06,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:06,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563967457] [2023-12-24 22:34:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:06,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:06,704 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:06,929 INFO L93 Difference]: Finished difference Result 156 states and 178 transitions. [2023-12-24 22:34:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:06,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-24 22:34:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:06,931 INFO L225 Difference]: With dead ends: 156 [2023-12-24 22:34:06,931 INFO L226 Difference]: Without dead ends: 154 [2023-12-24 22:34:06,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:06,931 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 49 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:06,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 326 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:06,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-24 22:34:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 129. [2023-12-24 22:34:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 128 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2023-12-24 22:34:06,934 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 15 [2023-12-24 22:34:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:06,934 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2023-12-24 22:34:06,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2023-12-24 22:34:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-24 22:34:06,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:06,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:06,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:07,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:07,139 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:07,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1802511995, now seen corresponding path program 1 times [2023-12-24 22:34:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:07,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290038261] [2023-12-24 22:34:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:07,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:07,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:07,142 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:07,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-24 22:34:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:07,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:07,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:07,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:07,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:07,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290038261] [2023-12-24 22:34:07,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290038261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:07,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:07,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:07,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039305885] [2023-12-24 22:34:07,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:07,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:07,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:07,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:07,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:07,242 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:07,476 INFO L93 Difference]: Finished difference Result 192 states and 216 transitions. [2023-12-24 22:34:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:07,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-24 22:34:07,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:07,477 INFO L225 Difference]: With dead ends: 192 [2023-12-24 22:34:07,477 INFO L226 Difference]: Without dead ends: 190 [2023-12-24 22:34:07,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:07,478 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 99 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:07,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 388 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-12-24 22:34:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 132. [2023-12-24 22:34:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.3362068965517242) internal successors, (155), 131 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:07,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2023-12-24 22:34:07,481 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 16 [2023-12-24 22:34:07,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:07,481 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2023-12-24 22:34:07,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2023-12-24 22:34:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-24 22:34:07,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:07,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:07,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:07,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:07,686 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:07,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:07,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1800788091, now seen corresponding path program 1 times [2023-12-24 22:34:07,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:07,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510247643] [2023-12-24 22:34:07,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:07,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:07,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:07,688 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:07,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-24 22:34:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:07,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:07,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:07,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:07,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:07,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510247643] [2023-12-24 22:34:07,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510247643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:07,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:07,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:07,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725846237] [2023-12-24 22:34:07,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:07,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:07,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:07,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:07,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:07,780 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:08,030 INFO L93 Difference]: Finished difference Result 152 states and 174 transitions. [2023-12-24 22:34:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 22:34:08,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-24 22:34:08,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:08,031 INFO L225 Difference]: With dead ends: 152 [2023-12-24 22:34:08,031 INFO L226 Difference]: Without dead ends: 150 [2023-12-24 22:34:08,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:08,032 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 44 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:08,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 326 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-24 22:34:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2023-12-24 22:34:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 118 states have (on average 1.3389830508474576) internal successors, (158), 133 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2023-12-24 22:34:08,035 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 16 [2023-12-24 22:34:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:08,035 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2023-12-24 22:34:08,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2023-12-24 22:34:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-24 22:34:08,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:08,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:08,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:08,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:08,238 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:08,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1236676348, now seen corresponding path program 1 times [2023-12-24 22:34:08,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:08,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637302236] [2023-12-24 22:34:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:08,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:08,240 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:08,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-24 22:34:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:08,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:08,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:08,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:08,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:08,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637302236] [2023-12-24 22:34:08,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637302236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:08,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727583165] [2023-12-24 22:34:08,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:08,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:08,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:08,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:08,339 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:08,572 INFO L93 Difference]: Finished difference Result 150 states and 172 transitions. [2023-12-24 22:34:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:08,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-24 22:34:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:08,573 INFO L225 Difference]: With dead ends: 150 [2023-12-24 22:34:08,573 INFO L226 Difference]: Without dead ends: 146 [2023-12-24 22:34:08,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:08,574 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 40 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:08,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 339 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-24 22:34:08,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2023-12-24 22:34:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 132 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2023-12-24 22:34:08,577 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 16 [2023-12-24 22:34:08,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:08,577 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2023-12-24 22:34:08,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2023-12-24 22:34:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-24 22:34:08,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:08,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:08,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:08,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:08,780 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:08,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:08,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1237163927, now seen corresponding path program 1 times [2023-12-24 22:34:08,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:08,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150670782] [2023-12-24 22:34:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:08,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:08,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:08,790 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:08,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-24 22:34:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:08,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 22:34:08,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:08,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:08,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:08,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150670782] [2023-12-24 22:34:08,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150670782] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:08,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:08,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:34:08,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131667158] [2023-12-24 22:34:08,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:08,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:34:08,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:08,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:34:08,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:34:08,893 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:09,129 INFO L93 Difference]: Finished difference Result 191 states and 217 transitions. [2023-12-24 22:34:09,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:09,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-24 22:34:09,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:09,131 INFO L225 Difference]: With dead ends: 191 [2023-12-24 22:34:09,131 INFO L226 Difference]: Without dead ends: 189 [2023-12-24 22:34:09,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:09,132 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 88 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:09,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 420 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:09,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-12-24 22:34:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 135. [2023-12-24 22:34:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 134 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2023-12-24 22:34:09,134 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 16 [2023-12-24 22:34:09,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:09,134 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2023-12-24 22:34:09,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2023-12-24 22:34:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-24 22:34:09,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:09,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:09,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:09,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:09,338 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:09,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash -43292888, now seen corresponding path program 1 times [2023-12-24 22:34:09,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:09,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157132490] [2023-12-24 22:34:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:09,341 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:09,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-24 22:34:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:09,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:09,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:09,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:09,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:09,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157132490] [2023-12-24 22:34:09,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157132490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:09,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:09,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:09,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385906294] [2023-12-24 22:34:09,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:09,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:09,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:09,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:09,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:09,498 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:09,762 INFO L93 Difference]: Finished difference Result 187 states and 214 transitions. [2023-12-24 22:34:09,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:09,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-24 22:34:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:09,763 INFO L225 Difference]: With dead ends: 187 [2023-12-24 22:34:09,763 INFO L226 Difference]: Without dead ends: 185 [2023-12-24 22:34:09,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:09,764 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 54 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 450 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:09,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-12-24 22:34:09,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 141. [2023-12-24 22:34:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 125 states have (on average 1.328) internal successors, (166), 140 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2023-12-24 22:34:09,768 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 17 [2023-12-24 22:34:09,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:09,768 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2023-12-24 22:34:09,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2023-12-24 22:34:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-24 22:34:09,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:09,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:09,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:09,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:09,970 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:09,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:09,971 INFO L85 PathProgramCache]: Analyzing trace with hash 10148192, now seen corresponding path program 1 times [2023-12-24 22:34:09,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:09,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616766311] [2023-12-24 22:34:09,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:09,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:09,972 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:09,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-24 22:34:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:10,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:10,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:10,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:10,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:10,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616766311] [2023-12-24 22:34:10,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616766311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:10,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:10,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278943554] [2023-12-24 22:34:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:10,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:10,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:10,166 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:10,458 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2023-12-24 22:34:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:10,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-24 22:34:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:10,459 INFO L225 Difference]: With dead ends: 151 [2023-12-24 22:34:10,459 INFO L226 Difference]: Without dead ends: 147 [2023-12-24 22:34:10,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:10,459 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 14 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:10,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 418 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:10,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-24 22:34:10,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2023-12-24 22:34:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 126 states have (on average 1.3253968253968254) internal successors, (167), 141 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2023-12-24 22:34:10,461 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 17 [2023-12-24 22:34:10,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:10,462 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2023-12-24 22:34:10,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2023-12-24 22:34:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-24 22:34:10,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:10,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:10,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:10,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:10,663 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:10,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:10,663 INFO L85 PathProgramCache]: Analyzing trace with hash -302619783, now seen corresponding path program 1 times [2023-12-24 22:34:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:10,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385803344] [2023-12-24 22:34:10,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:10,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:10,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:10,664 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:10,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-24 22:34:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:10,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:10,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:10,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:10,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:10,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385803344] [2023-12-24 22:34:10,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385803344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:10,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:10,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:10,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504260403] [2023-12-24 22:34:10,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:10,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:10,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:10,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:10,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:10,822 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:11,104 INFO L93 Difference]: Finished difference Result 181 states and 208 transitions. [2023-12-24 22:34:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:11,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-24 22:34:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:11,106 INFO L225 Difference]: With dead ends: 181 [2023-12-24 22:34:11,106 INFO L226 Difference]: Without dead ends: 179 [2023-12-24 22:34:11,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:11,106 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 49 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:11,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 518 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-24 22:34:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 145. [2023-12-24 22:34:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 129 states have (on average 1.317829457364341) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2023-12-24 22:34:11,109 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 17 [2023-12-24 22:34:11,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:11,109 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2023-12-24 22:34:11,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2023-12-24 22:34:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-24 22:34:11,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:11,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:11,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-12-24 22:34:11,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:11,311 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:11,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1294113889, now seen corresponding path program 1 times [2023-12-24 22:34:11,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392616078] [2023-12-24 22:34:11,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:11,313 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:11,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-24 22:34:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:11,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:11,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:11,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:11,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392616078] [2023-12-24 22:34:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392616078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:11,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:11,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440674907] [2023-12-24 22:34:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:11,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:11,496 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:12,016 INFO L93 Difference]: Finished difference Result 184 states and 211 transitions. [2023-12-24 22:34:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-24 22:34:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:12,017 INFO L225 Difference]: With dead ends: 184 [2023-12-24 22:34:12,017 INFO L226 Difference]: Without dead ends: 182 [2023-12-24 22:34:12,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:12,018 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 47 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:12,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 604 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-24 22:34:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 145. [2023-12-24 22:34:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 129 states have (on average 1.317829457364341) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2023-12-24 22:34:12,021 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 18 [2023-12-24 22:34:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:12,021 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2023-12-24 22:34:12,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2023-12-24 22:34:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-24 22:34:12,022 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:12,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:12,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:12,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:12,224 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:12,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1752040162, now seen corresponding path program 1 times [2023-12-24 22:34:12,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:12,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944526818] [2023-12-24 22:34:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:12,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:12,226 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:12,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-24 22:34:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:12,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:12,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:12,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:12,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944526818] [2023-12-24 22:34:12,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944526818] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:12,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:12,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598168479] [2023-12-24 22:34:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:12,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:12,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:12,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:12,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:12,311 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:12,594 INFO L93 Difference]: Finished difference Result 198 states and 223 transitions. [2023-12-24 22:34:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:12,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-24 22:34:12,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:12,595 INFO L225 Difference]: With dead ends: 198 [2023-12-24 22:34:12,595 INFO L226 Difference]: Without dead ends: 196 [2023-12-24 22:34:12,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:12,596 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 84 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:12,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 394 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:12,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-12-24 22:34:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 147. [2023-12-24 22:34:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 131 states have (on average 1.3129770992366412) internal successors, (172), 146 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2023-12-24 22:34:12,598 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 18 [2023-12-24 22:34:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:12,598 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2023-12-24 22:34:12,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2023-12-24 22:34:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-24 22:34:12,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:12,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:12,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:12,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:12,802 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:12,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:12,803 INFO L85 PathProgramCache]: Analyzing trace with hash -667789786, now seen corresponding path program 1 times [2023-12-24 22:34:12,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:12,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650467802] [2023-12-24 22:34:12,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:12,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:12,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:12,817 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:12,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-24 22:34:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:12,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:12,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:12,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:12,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:12,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650467802] [2023-12-24 22:34:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650467802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:12,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:12,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:12,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581767000] [2023-12-24 22:34:12,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:12,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:12,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:12,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:12,898 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:13,169 INFO L93 Difference]: Finished difference Result 196 states and 221 transitions. [2023-12-24 22:34:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:13,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-24 22:34:13,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:13,170 INFO L225 Difference]: With dead ends: 196 [2023-12-24 22:34:13,170 INFO L226 Difference]: Without dead ends: 194 [2023-12-24 22:34:13,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:13,170 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 82 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:13,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 394 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:13,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-12-24 22:34:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 151. [2023-12-24 22:34:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 135 states have (on average 1.3185185185185184) internal successors, (178), 150 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2023-12-24 22:34:13,174 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 18 [2023-12-24 22:34:13,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:13,174 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2023-12-24 22:34:13,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2023-12-24 22:34:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-24 22:34:13,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:13,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:13,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:13,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:13,375 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:13,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:13,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1345335339, now seen corresponding path program 1 times [2023-12-24 22:34:13,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:13,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708258957] [2023-12-24 22:34:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:13,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:13,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:13,377 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:13,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-12-24 22:34:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:13,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:13,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:13,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:13,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:13,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708258957] [2023-12-24 22:34:13,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708258957] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:13,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:13,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:13,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250231592] [2023-12-24 22:34:13,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:13,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:13,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:13,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:13,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:13,476 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:13,731 INFO L93 Difference]: Finished difference Result 194 states and 219 transitions. [2023-12-24 22:34:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 22:34:13,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-24 22:34:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:13,732 INFO L225 Difference]: With dead ends: 194 [2023-12-24 22:34:13,732 INFO L226 Difference]: Without dead ends: 192 [2023-12-24 22:34:13,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:13,733 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:13,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 394 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-24 22:34:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 154. [2023-12-24 22:34:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 138 states have (on average 1.326086956521739) internal successors, (183), 153 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2023-12-24 22:34:13,735 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 19 [2023-12-24 22:34:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:13,735 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2023-12-24 22:34:13,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2023-12-24 22:34:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-24 22:34:13,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:13,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:13,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:13,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:13,938 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:13,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:13,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1521325775, now seen corresponding path program 1 times [2023-12-24 22:34:13,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:13,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348866221] [2023-12-24 22:34:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:13,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:13,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:13,940 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:13,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-24 22:34:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:13,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:13,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:14,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:14,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:14,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348866221] [2023-12-24 22:34:14,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348866221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:14,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:14,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2586955] [2023-12-24 22:34:14,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:14,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:14,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:14,060 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:14,371 INFO L93 Difference]: Finished difference Result 192 states and 217 transitions. [2023-12-24 22:34:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:14,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-24 22:34:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:14,372 INFO L225 Difference]: With dead ends: 192 [2023-12-24 22:34:14,372 INFO L226 Difference]: Without dead ends: 187 [2023-12-24 22:34:14,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:14,373 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 72 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:14,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 448 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-24 22:34:14,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 152. [2023-12-24 22:34:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 136 states have (on average 1.3235294117647058) internal successors, (180), 151 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2023-12-24 22:34:14,375 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 19 [2023-12-24 22:34:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:14,375 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2023-12-24 22:34:14,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2023-12-24 22:34:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-24 22:34:14,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:14,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:14,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:14,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:14,576 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:14,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash 773357201, now seen corresponding path program 1 times [2023-12-24 22:34:14,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:14,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190675460] [2023-12-24 22:34:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:14,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:14,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:14,581 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:14,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-12-24 22:34:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:14,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:14,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:14,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:14,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:14,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190675460] [2023-12-24 22:34:14,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190675460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:14,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:14,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:14,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381032896] [2023-12-24 22:34:14,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:14,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:14,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:14,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:14,667 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:14,913 INFO L93 Difference]: Finished difference Result 187 states and 212 transitions. [2023-12-24 22:34:14,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:14,914 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-24 22:34:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:14,914 INFO L225 Difference]: With dead ends: 187 [2023-12-24 22:34:14,914 INFO L226 Difference]: Without dead ends: 183 [2023-12-24 22:34:14,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:14,915 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 73 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:14,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 415 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:14,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-12-24 22:34:14,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 151. [2023-12-24 22:34:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 135 states have (on average 1.3185185185185184) internal successors, (178), 150 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2023-12-24 22:34:14,917 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 19 [2023-12-24 22:34:14,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:14,917 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2023-12-24 22:34:14,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2023-12-24 22:34:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:14,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:14,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:14,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:15,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:15,120 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:15,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1244273325, now seen corresponding path program 1 times [2023-12-24 22:34:15,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:15,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008585427] [2023-12-24 22:34:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:15,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:15,122 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:15,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-24 22:34:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:15,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:15,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:15,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:15,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:15,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008585427] [2023-12-24 22:34:15,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008585427] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:15,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:15,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:15,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947652653] [2023-12-24 22:34:15,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:15,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:15,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:15,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:15,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:15,226 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:15,505 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2023-12-24 22:34:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:15,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:15,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:15,506 INFO L225 Difference]: With dead ends: 183 [2023-12-24 22:34:15,506 INFO L226 Difference]: Without dead ends: 179 [2023-12-24 22:34:15,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:15,506 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 64 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:15,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 456 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-24 22:34:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 150. [2023-12-24 22:34:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 149 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2023-12-24 22:34:15,508 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 20 [2023-12-24 22:34:15,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:15,508 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2023-12-24 22:34:15,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2023-12-24 22:34:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:15,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:15,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:15,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2023-12-24 22:34:15,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:15,709 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:15,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1243785746, now seen corresponding path program 1 times [2023-12-24 22:34:15,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:15,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471676463] [2023-12-24 22:34:15,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:15,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:15,711 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:15,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-24 22:34:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:15,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:15,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:15,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:15,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:15,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471676463] [2023-12-24 22:34:15,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471676463] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:15,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:15,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971082167] [2023-12-24 22:34:15,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:15,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:15,807 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:16,055 INFO L93 Difference]: Finished difference Result 229 states and 258 transitions. [2023-12-24 22:34:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:16,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:16,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:16,056 INFO L225 Difference]: With dead ends: 229 [2023-12-24 22:34:16,056 INFO L226 Difference]: Without dead ends: 227 [2023-12-24 22:34:16,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:16,057 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 137 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:16,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 521 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-24 22:34:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 155. [2023-12-24 22:34:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 154 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2023-12-24 22:34:16,088 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 20 [2023-12-24 22:34:16,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:16,089 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2023-12-24 22:34:16,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2023-12-24 22:34:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:16,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:16,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:16,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:16,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:16,291 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:16,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1780584679, now seen corresponding path program 1 times [2023-12-24 22:34:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544656786] [2023-12-24 22:34:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:16,293 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:16,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-12-24 22:34:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:16,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:16,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:16,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:16,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:16,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544656786] [2023-12-24 22:34:16,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544656786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:16,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:16,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:16,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523527439] [2023-12-24 22:34:16,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:16,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:16,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:16,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:16,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:16,405 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:16,673 INFO L93 Difference]: Finished difference Result 227 states and 256 transitions. [2023-12-24 22:34:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:16,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:16,674 INFO L225 Difference]: With dead ends: 227 [2023-12-24 22:34:16,674 INFO L226 Difference]: Without dead ends: 225 [2023-12-24 22:34:16,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:16,674 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 128 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:16,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 475 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-12-24 22:34:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 156. [2023-12-24 22:34:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 155 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2023-12-24 22:34:16,677 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 20 [2023-12-24 22:34:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:16,677 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2023-12-24 22:34:16,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2023-12-24 22:34:16,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:16,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:16,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:16,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2023-12-24 22:34:16,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:16,879 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:16,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:16,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1778860775, now seen corresponding path program 1 times [2023-12-24 22:34:16,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:16,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028339932] [2023-12-24 22:34:16,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:16,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:16,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:16,881 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:16,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-12-24 22:34:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:16,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 22:34:16,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:16,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:16,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:16,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028339932] [2023-12-24 22:34:16,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028339932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:16,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:16,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:34:16,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928175653] [2023-12-24 22:34:16,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:16,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:34:16,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:16,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:34:16,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:34:16,954 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:17,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:17,202 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2023-12-24 22:34:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:17,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:17,203 INFO L225 Difference]: With dead ends: 175 [2023-12-24 22:34:17,203 INFO L226 Difference]: Without dead ends: 173 [2023-12-24 22:34:17,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:17,203 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:17,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 404 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:17,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-24 22:34:17,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 156. [2023-12-24 22:34:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 155 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2023-12-24 22:34:17,205 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 20 [2023-12-24 22:34:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:17,205 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2023-12-24 22:34:17,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2023-12-24 22:34:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:17,206 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:17,206 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:17,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:17,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:17,409 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:17,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:17,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1343356104, now seen corresponding path program 1 times [2023-12-24 22:34:17,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:17,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770721253] [2023-12-24 22:34:17,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:17,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:17,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:17,411 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:17,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-12-24 22:34:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:17,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:17,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:17,601 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:34:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:17,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770721253] [2023-12-24 22:34:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770721253] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:34:17,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:34:17,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2023-12-24 22:34:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575505954] [2023-12-24 22:34:17,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:34:17,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:17,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:17,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:17,692 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:18,464 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2023-12-24 22:34:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 22:34:18,465 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:18,466 INFO L225 Difference]: With dead ends: 201 [2023-12-24 22:34:18,466 INFO L226 Difference]: Without dead ends: 199 [2023-12-24 22:34:18,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2023-12-24 22:34:18,466 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 369 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:18,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 341 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:34:18,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-12-24 22:34:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 152. [2023-12-24 22:34:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 137 states have (on average 1.313868613138686) internal successors, (180), 151 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2023-12-24 22:34:18,470 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 20 [2023-12-24 22:34:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:18,470 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2023-12-24 22:34:18,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2023-12-24 22:34:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-24 22:34:18,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:18,470 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:18,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:18,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:18,673 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:18,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1396797184, now seen corresponding path program 1 times [2023-12-24 22:34:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:18,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007736157] [2023-12-24 22:34:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:18,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:18,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:18,674 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:18,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-12-24 22:34:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:18,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:18,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:18,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:34:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:18,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:18,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007736157] [2023-12-24 22:34:18,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007736157] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:34:18,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:34:18,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2023-12-24 22:34:18,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535072480] [2023-12-24 22:34:18,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:34:18,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:18,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:18,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:18,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:18,948 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:19,765 INFO L93 Difference]: Finished difference Result 156 states and 183 transitions. [2023-12-24 22:34:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:34:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-12-24 22:34:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:19,766 INFO L225 Difference]: With dead ends: 156 [2023-12-24 22:34:19,766 INFO L226 Difference]: Without dead ends: 150 [2023-12-24 22:34:19,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2023-12-24 22:34:19,766 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 289 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:19,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 349 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:34:19,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-24 22:34:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2023-12-24 22:34:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 134 states have (on average 1.2985074626865671) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2023-12-24 22:34:19,780 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 20 [2023-12-24 22:34:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:19,780 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2023-12-24 22:34:19,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2023-12-24 22:34:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-24 22:34:19,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:19,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:19,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:19,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:19,983 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:19,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:19,983 INFO L85 PathProgramCache]: Analyzing trace with hash 97351682, now seen corresponding path program 1 times [2023-12-24 22:34:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:19,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885024438] [2023-12-24 22:34:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:19,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:19,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:19,985 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:19,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-12-24 22:34:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:20,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:34:20,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:20,163 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:20,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:20,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885024438] [2023-12-24 22:34:20,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885024438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:20,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:20,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:20,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515135087] [2023-12-24 22:34:20,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:20,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:20,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:20,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:20,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:20,164 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:20,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:20,428 INFO L93 Difference]: Finished difference Result 188 states and 216 transitions. [2023-12-24 22:34:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:20,429 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-24 22:34:20,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:20,429 INFO L225 Difference]: With dead ends: 188 [2023-12-24 22:34:20,429 INFO L226 Difference]: Without dead ends: 186 [2023-12-24 22:34:20,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:20,430 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 56 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:20,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 538 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:20,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-24 22:34:20,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 154. [2023-12-24 22:34:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 140 states have (on average 1.2857142857142858) internal successors, (180), 153 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2023-12-24 22:34:20,432 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 21 [2023-12-24 22:34:20,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:20,432 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2023-12-24 22:34:20,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2023-12-24 22:34:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-24 22:34:20,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:20,434 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:20,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:20,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:20,636 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:20,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:20,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1257668097, now seen corresponding path program 1 times [2023-12-24 22:34:20,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203519864] [2023-12-24 22:34:20,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:20,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:20,638 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:20,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-12-24 22:34:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:20,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:20,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:20,819 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:34:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:20,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:20,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203519864] [2023-12-24 22:34:20,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203519864] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:34:20,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:34:20,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2023-12-24 22:34:20,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057243018] [2023-12-24 22:34:20,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:34:20,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:20,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:20,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:20,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:20,918 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:21,962 INFO L93 Difference]: Finished difference Result 191 states and 221 transitions. [2023-12-24 22:34:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 22:34:21,962 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-24 22:34:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:21,963 INFO L225 Difference]: With dead ends: 191 [2023-12-24 22:34:21,963 INFO L226 Difference]: Without dead ends: 189 [2023-12-24 22:34:21,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2023-12-24 22:34:21,963 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 297 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:21,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 503 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-24 22:34:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-12-24 22:34:21,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 138. [2023-12-24 22:34:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 125 states have (on average 1.288) internal successors, (161), 137 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2023-12-24 22:34:21,965 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 21 [2023-12-24 22:34:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:21,965 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2023-12-24 22:34:21,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2023-12-24 22:34:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-24 22:34:21,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:21,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:21,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:22,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:22,166 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:22,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash -458129896, now seen corresponding path program 1 times [2023-12-24 22:34:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945865737] [2023-12-24 22:34:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:22,168 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:22,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-12-24 22:34:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:22,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:22,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:22,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:22,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:22,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945865737] [2023-12-24 22:34:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945865737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:22,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:22,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264443820] [2023-12-24 22:34:22,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:22,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:22,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:22,269 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:22,593 INFO L93 Difference]: Finished difference Result 177 states and 201 transitions. [2023-12-24 22:34:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:22,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-24 22:34:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:22,593 INFO L225 Difference]: With dead ends: 177 [2023-12-24 22:34:22,594 INFO L226 Difference]: Without dead ends: 175 [2023-12-24 22:34:22,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:22,594 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 82 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:22,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 390 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-24 22:34:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 140. [2023-12-24 22:34:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 127 states have (on average 1.2834645669291338) internal successors, (163), 139 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2023-12-24 22:34:22,596 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 22 [2023-12-24 22:34:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:22,596 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2023-12-24 22:34:22,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2023-12-24 22:34:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-24 22:34:22,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:22,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:22,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:22,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:22,797 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:22,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:22,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1416113722, now seen corresponding path program 1 times [2023-12-24 22:34:22,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:22,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82220026] [2023-12-24 22:34:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:22,799 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:22,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-12-24 22:34:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:22,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:22,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:22,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:22,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:22,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82220026] [2023-12-24 22:34:22,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82220026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:22,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:22,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:22,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189554563] [2023-12-24 22:34:22,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:22,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:22,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:22,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:22,879 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:23,184 INFO L93 Difference]: Finished difference Result 175 states and 199 transitions. [2023-12-24 22:34:23,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:23,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-24 22:34:23,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:23,185 INFO L225 Difference]: With dead ends: 175 [2023-12-24 22:34:23,185 INFO L226 Difference]: Without dead ends: 173 [2023-12-24 22:34:23,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:23,185 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 80 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:23,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 390 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-24 22:34:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 144. [2023-12-24 22:34:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 131 states have (on average 1.282442748091603) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2023-12-24 22:34:23,187 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 22 [2023-12-24 22:34:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:23,187 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2023-12-24 22:34:23,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2023-12-24 22:34:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-24 22:34:23,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:23,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:23,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:23,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:23,388 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:23,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1317120837, now seen corresponding path program 1 times [2023-12-24 22:34:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:23,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324614917] [2023-12-24 22:34:23,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:23,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:23,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:23,391 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:23,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-12-24 22:34:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:23,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:23,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:23,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:23,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324614917] [2023-12-24 22:34:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324614917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:23,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:23,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:23,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714970201] [2023-12-24 22:34:23,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:23,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:23,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:23,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:23,480 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:23,785 INFO L93 Difference]: Finished difference Result 173 states and 197 transitions. [2023-12-24 22:34:23,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:23,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-24 22:34:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:23,786 INFO L225 Difference]: With dead ends: 173 [2023-12-24 22:34:23,786 INFO L226 Difference]: Without dead ends: 168 [2023-12-24 22:34:23,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:23,796 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 72 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:23,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 437 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-24 22:34:23,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 142. [2023-12-24 22:34:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 129 states have (on average 1.2790697674418605) internal successors, (165), 141 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 165 transitions. [2023-12-24 22:34:23,798 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 165 transitions. Word has length 23 [2023-12-24 22:34:23,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:23,798 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 165 transitions. [2023-12-24 22:34:23,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 165 transitions. [2023-12-24 22:34:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-24 22:34:23,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:23,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:23,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:24,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:24,002 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:24,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:24,002 INFO L85 PathProgramCache]: Analyzing trace with hash 949856509, now seen corresponding path program 1 times [2023-12-24 22:34:24,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:24,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142107045] [2023-12-24 22:34:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:24,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:24,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:24,015 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:24,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-12-24 22:34:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:24,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:24,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:24,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:24,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142107045] [2023-12-24 22:34:24,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142107045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:24,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:24,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:24,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093251498] [2023-12-24 22:34:24,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:24,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:24,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:24,149 INFO L87 Difference]: Start difference. First operand 142 states and 165 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:24,509 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2023-12-24 22:34:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:24,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-24 22:34:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:24,510 INFO L225 Difference]: With dead ends: 168 [2023-12-24 22:34:24,510 INFO L226 Difference]: Without dead ends: 164 [2023-12-24 22:34:24,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:24,510 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 75 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:24,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 405 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:24,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-24 22:34:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 141. [2023-12-24 22:34:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.2734375) internal successors, (163), 140 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2023-12-24 22:34:24,512 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 23 [2023-12-24 22:34:24,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:24,512 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2023-12-24 22:34:24,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2023-12-24 22:34:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-24 22:34:24,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:24,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:24,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:24,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:24,713 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:24,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:24,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1746977303, now seen corresponding path program 1 times [2023-12-24 22:34:24,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:24,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547996373] [2023-12-24 22:34:24,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:24,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:24,715 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:24,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-12-24 22:34:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:24,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:24,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:24,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:24,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:24,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547996373] [2023-12-24 22:34:24,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547996373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:24,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:24,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:24,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345903031] [2023-12-24 22:34:24,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:24,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:24,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:24,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:24,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:24,797 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:25,063 INFO L93 Difference]: Finished difference Result 164 states and 188 transitions. [2023-12-24 22:34:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:25,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-24 22:34:25,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:25,064 INFO L225 Difference]: With dead ends: 164 [2023-12-24 22:34:25,064 INFO L226 Difference]: Without dead ends: 162 [2023-12-24 22:34:25,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:25,065 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 68 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:25,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 398 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:25,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-24 22:34:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 144. [2023-12-24 22:34:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 143 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2023-12-24 22:34:25,067 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 23 [2023-12-24 22:34:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:25,068 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2023-12-24 22:34:25,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2023-12-24 22:34:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-24 22:34:25,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:25,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:25,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:25,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:25,273 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:25,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash -604073427, now seen corresponding path program 1 times [2023-12-24 22:34:25,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:25,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509850637] [2023-12-24 22:34:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:25,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:25,274 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:25,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-12-24 22:34:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:25,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:25,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:25,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:25,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:25,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509850637] [2023-12-24 22:34:25,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509850637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:25,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:25,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099463877] [2023-12-24 22:34:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:25,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:25,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:25,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:25,379 INFO L87 Difference]: Start difference. First operand 144 states and 167 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:25,708 INFO L93 Difference]: Finished difference Result 212 states and 242 transitions. [2023-12-24 22:34:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:25,709 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-12-24 22:34:25,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:25,709 INFO L225 Difference]: With dead ends: 212 [2023-12-24 22:34:25,709 INFO L226 Difference]: Without dead ends: 210 [2023-12-24 22:34:25,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:25,710 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 138 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:25,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 490 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:25,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-24 22:34:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 147. [2023-12-24 22:34:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 146 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2023-12-24 22:34:25,712 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 24 [2023-12-24 22:34:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:25,712 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2023-12-24 22:34:25,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2023-12-24 22:34:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-24 22:34:25,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:25,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:25,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:25,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:25,913 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:25,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash -602349523, now seen corresponding path program 1 times [2023-12-24 22:34:25,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:25,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181044062] [2023-12-24 22:34:25,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:25,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:25,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:25,914 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:25,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2023-12-24 22:34:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:25,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:25,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:26,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:26,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181044062] [2023-12-24 22:34:26,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181044062] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:26,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:26,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:26,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612357791] [2023-12-24 22:34:26,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:26,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:26,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:26,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:26,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:26,004 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:26,248 INFO L93 Difference]: Finished difference Result 160 states and 184 transitions. [2023-12-24 22:34:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:34:26,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-12-24 22:34:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:26,248 INFO L225 Difference]: With dead ends: 160 [2023-12-24 22:34:26,249 INFO L226 Difference]: Without dead ends: 157 [2023-12-24 22:34:26,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:26,251 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 60 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:26,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 398 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 22:34:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-24 22:34:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 148. [2023-12-24 22:34:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 135 states have (on average 1.2814814814814814) internal successors, (173), 147 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2023-12-24 22:34:26,253 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 24 [2023-12-24 22:34:26,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:26,253 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2023-12-24 22:34:26,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2023-12-24 22:34:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-24 22:34:26,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:26,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:26,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:26,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:26,456 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:26,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1678274329, now seen corresponding path program 1 times [2023-12-24 22:34:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816924221] [2023-12-24 22:34:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:26,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:26,458 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:26,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2023-12-24 22:34:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:26,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:26,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:26,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:26,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:26,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816924221] [2023-12-24 22:34:26,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816924221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:26,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:26,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:26,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44061855] [2023-12-24 22:34:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:26,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:26,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:26,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:26,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:26,564 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:26,839 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2023-12-24 22:34:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-12-24 22:34:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:26,840 INFO L225 Difference]: With dead ends: 157 [2023-12-24 22:34:26,840 INFO L226 Difference]: Without dead ends: 153 [2023-12-24 22:34:26,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:26,840 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 58 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:26,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 407 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-12-24 22:34:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2023-12-24 22:34:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 146 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2023-12-24 22:34:26,843 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 24 [2023-12-24 22:34:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:26,843 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2023-12-24 22:34:26,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2023-12-24 22:34:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-24 22:34:26,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:26,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:26,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2023-12-24 22:34:27,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:27,045 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:27,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:27,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1677786750, now seen corresponding path program 1 times [2023-12-24 22:34:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:27,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074152113] [2023-12-24 22:34:27,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:27,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:27,047 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:27,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2023-12-24 22:34:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:27,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:34:27,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:27,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:27,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:27,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074152113] [2023-12-24 22:34:27,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074152113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:27,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:27,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-24 22:34:27,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569636072] [2023-12-24 22:34:27,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:27,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 22:34:27,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:27,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 22:34:27,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-24 22:34:27,140 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:27,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:27,467 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2023-12-24 22:34:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:27,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-12-24 22:34:27,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:27,468 INFO L225 Difference]: With dead ends: 205 [2023-12-24 22:34:27,468 INFO L226 Difference]: Without dead ends: 203 [2023-12-24 22:34:27,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:27,468 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 117 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:27,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 557 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:27,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-24 22:34:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 149. [2023-12-24 22:34:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 136 states have (on average 1.2720588235294117) internal successors, (173), 148 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 173 transitions. [2023-12-24 22:34:27,470 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 173 transitions. Word has length 24 [2023-12-24 22:34:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:27,470 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 173 transitions. [2023-12-24 22:34:27,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 173 transitions. [2023-12-24 22:34:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-24 22:34:27,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:27,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:27,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:27,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:27,673 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:27,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:27,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1214699826, now seen corresponding path program 1 times [2023-12-24 22:34:27,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:27,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396290163] [2023-12-24 22:34:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:27,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:27,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:27,675 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:27,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-12-24 22:34:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:27,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:27,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:27,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:27,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:27,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396290163] [2023-12-24 22:34:27,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396290163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:27,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:27,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:27,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21337920] [2023-12-24 22:34:27,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:27,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:27,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:27,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:27,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:27,767 INFO L87 Difference]: Start difference. First operand 149 states and 173 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:28,100 INFO L93 Difference]: Finished difference Result 188 states and 213 transitions. [2023-12-24 22:34:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-12-24 22:34:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:28,101 INFO L225 Difference]: With dead ends: 188 [2023-12-24 22:34:28,101 INFO L226 Difference]: Without dead ends: 186 [2023-12-24 22:34:28,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:28,131 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 95 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:28,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 456 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:28,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-24 22:34:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 151. [2023-12-24 22:34:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 138 states have (on average 1.2681159420289856) internal successors, (175), 150 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2023-12-24 22:34:28,133 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 26 [2023-12-24 22:34:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:28,133 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2023-12-24 22:34:28,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2023-12-24 22:34:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-24 22:34:28,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:28,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:28,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:28,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:28,336 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:28,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 658650062, now seen corresponding path program 1 times [2023-12-24 22:34:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313111773] [2023-12-24 22:34:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:28,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:28,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:28,338 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:28,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2023-12-24 22:34:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:28,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:28,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:28,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:28,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:28,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313111773] [2023-12-24 22:34:28,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313111773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:28,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:28,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:28,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358135424] [2023-12-24 22:34:28,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:28,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:28,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:28,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:28,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:28,440 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:28,785 INFO L93 Difference]: Finished difference Result 186 states and 211 transitions. [2023-12-24 22:34:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:28,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-12-24 22:34:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:28,786 INFO L225 Difference]: With dead ends: 186 [2023-12-24 22:34:28,786 INFO L226 Difference]: Without dead ends: 184 [2023-12-24 22:34:28,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:28,786 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 93 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:28,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 456 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:28,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-24 22:34:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 155. [2023-12-24 22:34:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.267605633802817) internal successors, (180), 154 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2023-12-24 22:34:28,788 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 26 [2023-12-24 22:34:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:28,788 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2023-12-24 22:34:28,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2023-12-24 22:34:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-24 22:34:28,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:28,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:28,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:28,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:28,989 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:28,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:28,989 INFO L85 PathProgramCache]: Analyzing trace with hash 999015109, now seen corresponding path program 1 times [2023-12-24 22:34:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:28,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100458102] [2023-12-24 22:34:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:28,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:28,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:28,991 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:29,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2023-12-24 22:34:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:29,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:29,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:29,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:29,101 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:29,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100458102] [2023-12-24 22:34:29,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100458102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:29,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:29,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:29,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600568028] [2023-12-24 22:34:29,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:29,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:29,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:29,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:29,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:29,102 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:29,513 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2023-12-24 22:34:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-12-24 22:34:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:29,514 INFO L225 Difference]: With dead ends: 184 [2023-12-24 22:34:29,514 INFO L226 Difference]: Without dead ends: 179 [2023-12-24 22:34:29,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:29,514 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 85 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:29,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 508 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-24 22:34:29,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 153. [2023-12-24 22:34:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 152 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2023-12-24 22:34:29,516 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 27 [2023-12-24 22:34:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:29,516 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2023-12-24 22:34:29,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2023-12-24 22:34:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-24 22:34:29,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:29,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:29,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:29,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:29,717 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:29,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:29,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1056680471, now seen corresponding path program 1 times [2023-12-24 22:34:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:29,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043032033] [2023-12-24 22:34:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:29,719 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:29,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2023-12-24 22:34:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:29,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:29,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:29,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:29,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:29,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043032033] [2023-12-24 22:34:29,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043032033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:29,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:29,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:29,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234794713] [2023-12-24 22:34:29,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:29,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:29,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:29,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:29,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:29,826 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:30,193 INFO L93 Difference]: Finished difference Result 179 states and 204 transitions. [2023-12-24 22:34:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:30,193 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-12-24 22:34:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:30,194 INFO L225 Difference]: With dead ends: 179 [2023-12-24 22:34:30,194 INFO L226 Difference]: Without dead ends: 175 [2023-12-24 22:34:30,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:30,195 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 81 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:30,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 512 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:30,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-24 22:34:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 152. [2023-12-24 22:34:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 139 states have (on average 1.2589928057553956) internal successors, (175), 151 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 175 transitions. [2023-12-24 22:34:30,196 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 175 transitions. Word has length 27 [2023-12-24 22:34:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:30,196 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 175 transitions. [2023-12-24 22:34:30,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 175 transitions. [2023-12-24 22:34:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-24 22:34:30,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:30,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:30,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2023-12-24 22:34:30,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:30,397 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:30,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -34417021, now seen corresponding path program 1 times [2023-12-24 22:34:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:30,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362839443] [2023-12-24 22:34:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:30,399 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:30,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2023-12-24 22:34:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:30,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:30,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:30,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:30,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362839443] [2023-12-24 22:34:30,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362839443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:30,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:30,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:30,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483873246] [2023-12-24 22:34:30,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:30,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:30,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:30,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:30,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:30,501 INFO L87 Difference]: Start difference. First operand 152 states and 175 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:30,854 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2023-12-24 22:34:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:30,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-12-24 22:34:30,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:30,855 INFO L225 Difference]: With dead ends: 175 [2023-12-24 22:34:30,855 INFO L226 Difference]: Without dead ends: 173 [2023-12-24 22:34:30,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:30,855 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:30,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 464 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-24 22:34:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 155. [2023-12-24 22:34:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.2605633802816902) internal successors, (179), 154 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 179 transitions. [2023-12-24 22:34:30,857 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 179 transitions. Word has length 27 [2023-12-24 22:34:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:30,857 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 179 transitions. [2023-12-24 22:34:30,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 179 transitions. [2023-12-24 22:34:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-24 22:34:30,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:30,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:30,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:31,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:31,058 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:31,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:31,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1617789633, now seen corresponding path program 1 times [2023-12-24 22:34:31,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564347178] [2023-12-24 22:34:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:31,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:31,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:31,060 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:31,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2023-12-24 22:34:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:31,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:31,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:31,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:31,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:31,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564347178] [2023-12-24 22:34:31,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564347178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:31,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:31,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319504660] [2023-12-24 22:34:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:31,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:31,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:31,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:31,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:31,163 INFO L87 Difference]: Start difference. First operand 155 states and 179 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:31,555 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2023-12-24 22:34:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:34:31,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-12-24 22:34:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:31,556 INFO L225 Difference]: With dead ends: 231 [2023-12-24 22:34:31,556 INFO L226 Difference]: Without dead ends: 229 [2023-12-24 22:34:31,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:31,557 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 165 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:31,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 602 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-12-24 22:34:31,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 158. [2023-12-24 22:34:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 145 states have (on average 1.2689655172413794) internal successors, (184), 157 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2023-12-24 22:34:31,559 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 28 [2023-12-24 22:34:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:31,559 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2023-12-24 22:34:31,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2023-12-24 22:34:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-24 22:34:31,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:31,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:31,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:31,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:31,765 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:31,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:31,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1619513537, now seen corresponding path program 1 times [2023-12-24 22:34:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:31,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064469123] [2023-12-24 22:34:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:31,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:31,766 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:31,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2023-12-24 22:34:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:31,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:31,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:31,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:31,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:31,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:31,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064469123] [2023-12-24 22:34:31,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064469123] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:31,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:31,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:31,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557481457] [2023-12-24 22:34:31,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:31,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:31,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:31,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:31,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:31,876 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:32,207 INFO L93 Difference]: Finished difference Result 171 states and 196 transitions. [2023-12-24 22:34:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:34:32,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-12-24 22:34:32,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:32,207 INFO L225 Difference]: With dead ends: 171 [2023-12-24 22:34:32,208 INFO L226 Difference]: Without dead ends: 168 [2023-12-24 22:34:32,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:32,208 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 73 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:32,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 464 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-24 22:34:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2023-12-24 22:34:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 158 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 185 transitions. [2023-12-24 22:34:32,210 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 185 transitions. Word has length 28 [2023-12-24 22:34:32,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:32,210 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 185 transitions. [2023-12-24 22:34:32,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 185 transitions. [2023-12-24 22:34:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-24 22:34:32,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:32,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:32,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:32,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:32,413 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:32,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:32,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1066923525, now seen corresponding path program 1 times [2023-12-24 22:34:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:32,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852669536] [2023-12-24 22:34:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:32,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:32,414 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:32,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2023-12-24 22:34:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:32,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:32,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:32,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:32,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:32,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852669536] [2023-12-24 22:34:32,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852669536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:32,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:32,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:32,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492300713] [2023-12-24 22:34:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:32,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:32,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:32,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:32,511 INFO L87 Difference]: Start difference. First operand 159 states and 185 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:32,841 INFO L93 Difference]: Finished difference Result 168 states and 193 transitions. [2023-12-24 22:34:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:32,841 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-12-24 22:34:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:32,842 INFO L225 Difference]: With dead ends: 168 [2023-12-24 22:34:32,842 INFO L226 Difference]: Without dead ends: 164 [2023-12-24 22:34:32,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:32,842 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 70 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:32,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 518 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-24 22:34:32,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2023-12-24 22:34:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 157 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 183 transitions. [2023-12-24 22:34:32,869 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 183 transitions. Word has length 28 [2023-12-24 22:34:32,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:32,869 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 183 transitions. [2023-12-24 22:34:32,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 183 transitions. [2023-12-24 22:34:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-24 22:34:32,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:32,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:32,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:33,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:33,072 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:33,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:33,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1066435946, now seen corresponding path program 1 times [2023-12-24 22:34:33,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:33,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190175124] [2023-12-24 22:34:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:33,074 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:33,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2023-12-24 22:34:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:33,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 22:34:33,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:33,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:33,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:33,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190175124] [2023-12-24 22:34:33,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190175124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:33,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:33,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-24 22:34:33,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345547758] [2023-12-24 22:34:33,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:33,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 22:34:33,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:33,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 22:34:33,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-24 22:34:33,181 INFO L87 Difference]: Start difference. First operand 158 states and 183 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:33,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:33,521 INFO L93 Difference]: Finished difference Result 225 states and 260 transitions. [2023-12-24 22:34:33,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:34:33,521 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-12-24 22:34:33,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:33,522 INFO L225 Difference]: With dead ends: 225 [2023-12-24 22:34:33,522 INFO L226 Difference]: Without dead ends: 223 [2023-12-24 22:34:33,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:33,522 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 142 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:33,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 680 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-12-24 22:34:33,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 160. [2023-12-24 22:34:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 147 states have (on average 1.2585034013605443) internal successors, (185), 159 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 185 transitions. [2023-12-24 22:34:33,524 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 185 transitions. Word has length 28 [2023-12-24 22:34:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:33,524 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 185 transitions. [2023-12-24 22:34:33,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 185 transitions. [2023-12-24 22:34:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-24 22:34:33,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:33,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:33,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Ended with exit code 0 [2023-12-24 22:34:33,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:33,727 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:33,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1884437764, now seen corresponding path program 1 times [2023-12-24 22:34:33,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:33,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161161864] [2023-12-24 22:34:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:33,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:33,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:33,729 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:33,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2023-12-24 22:34:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:33,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:33,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:33,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:33,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:33,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161161864] [2023-12-24 22:34:33,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161161864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:33,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:33,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:33,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928555654] [2023-12-24 22:34:33,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:33,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:33,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:33,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:33,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:33,839 INFO L87 Difference]: Start difference. First operand 160 states and 185 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:34,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:34,245 INFO L93 Difference]: Finished difference Result 199 states and 225 transitions. [2023-12-24 22:34:34,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:34,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-12-24 22:34:34,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:34,246 INFO L225 Difference]: With dead ends: 199 [2023-12-24 22:34:34,246 INFO L226 Difference]: Without dead ends: 197 [2023-12-24 22:34:34,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:34,247 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 108 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:34,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 532 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:34,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-24 22:34:34,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 162. [2023-12-24 22:34:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 149 states have (on average 1.25503355704698) internal successors, (187), 161 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 187 transitions. [2023-12-24 22:34:34,248 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 187 transitions. Word has length 30 [2023-12-24 22:34:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:34,249 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 187 transitions. [2023-12-24 22:34:34,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 187 transitions. [2023-12-24 22:34:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-24 22:34:34,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:34,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:34,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Ended with exit code 0 [2023-12-24 22:34:34,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:34,450 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:34,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash -538073374, now seen corresponding path program 1 times [2023-12-24 22:34:34,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:34,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142543528] [2023-12-24 22:34:34,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:34,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:34,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:34,451 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:34,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2023-12-24 22:34:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:34,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:34,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:34,564 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:34,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:34,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142543528] [2023-12-24 22:34:34,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142543528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:34,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:34,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:34,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140011774] [2023-12-24 22:34:34,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:34,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:34,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:34,566 INFO L87 Difference]: Start difference. First operand 162 states and 187 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:35,014 INFO L93 Difference]: Finished difference Result 197 states and 223 transitions. [2023-12-24 22:34:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-12-24 22:34:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:35,015 INFO L225 Difference]: With dead ends: 197 [2023-12-24 22:34:35,015 INFO L226 Difference]: Without dead ends: 195 [2023-12-24 22:34:35,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:35,015 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 106 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:35,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 532 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-12-24 22:34:35,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 166. [2023-12-24 22:34:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 165 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 192 transitions. [2023-12-24 22:34:35,017 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 192 transitions. Word has length 30 [2023-12-24 22:34:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:35,017 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 192 transitions. [2023-12-24 22:34:35,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 192 transitions. [2023-12-24 22:34:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-24 22:34:35,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:35,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:35,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:35,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:35,218 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:35,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1711967409, now seen corresponding path program 1 times [2023-12-24 22:34:35,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:35,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584919770] [2023-12-24 22:34:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:35,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:35,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:35,220 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:35,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2023-12-24 22:34:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:35,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:35,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:35,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:35,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584919770] [2023-12-24 22:34:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584919770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:35,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367432132] [2023-12-24 22:34:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:35,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:35,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:35,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:35,354 INFO L87 Difference]: Start difference. First operand 166 states and 192 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:35,814 INFO L93 Difference]: Finished difference Result 195 states and 221 transitions. [2023-12-24 22:34:35,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:35,815 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-12-24 22:34:35,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:35,815 INFO L225 Difference]: With dead ends: 195 [2023-12-24 22:34:35,815 INFO L226 Difference]: Without dead ends: 190 [2023-12-24 22:34:35,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:35,816 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 98 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:35,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 589 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:35,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-12-24 22:34:35,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 164. [2023-12-24 22:34:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 151 states have (on average 1.2516556291390728) internal successors, (189), 163 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2023-12-24 22:34:35,818 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 31 [2023-12-24 22:34:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:35,818 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2023-12-24 22:34:35,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2023-12-24 22:34:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-24 22:34:35,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:35,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:35,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:36,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:36,021 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:36,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:36,022 INFO L85 PathProgramCache]: Analyzing trace with hash 499598677, now seen corresponding path program 1 times [2023-12-24 22:34:36,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:36,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755480608] [2023-12-24 22:34:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:36,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:36,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:36,029 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:36,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2023-12-24 22:34:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:36,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:36,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:36,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:36,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755480608] [2023-12-24 22:34:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755480608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:36,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170234858] [2023-12-24 22:34:36,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:36,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:36,152 INFO L87 Difference]: Start difference. First operand 164 states and 189 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:36,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:36,643 INFO L93 Difference]: Finished difference Result 190 states and 216 transitions. [2023-12-24 22:34:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-12-24 22:34:36,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:36,644 INFO L225 Difference]: With dead ends: 190 [2023-12-24 22:34:36,644 INFO L226 Difference]: Without dead ends: 186 [2023-12-24 22:34:36,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:36,645 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 94 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:36,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 593 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-24 22:34:36,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 163. [2023-12-24 22:34:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 162 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 187 transitions. [2023-12-24 22:34:36,647 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 187 transitions. Word has length 31 [2023-12-24 22:34:36,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:36,647 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 187 transitions. [2023-12-24 22:34:36,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 187 transitions. [2023-12-24 22:34:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-24 22:34:36,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:36,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:36,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Ended with exit code 0 [2023-12-24 22:34:36,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:36,848 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:36,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:36,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1747004783, now seen corresponding path program 1 times [2023-12-24 22:34:36,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:36,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11285150] [2023-12-24 22:34:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:36,849 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:36,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2023-12-24 22:34:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:36,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:36,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:36,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:36,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:36,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11285150] [2023-12-24 22:34:36,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11285150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:36,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:36,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:36,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355043308] [2023-12-24 22:34:36,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:36,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:36,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:36,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:36,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:36,971 INFO L87 Difference]: Start difference. First operand 163 states and 187 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:37,363 INFO L93 Difference]: Finished difference Result 186 states and 212 transitions. [2023-12-24 22:34:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:37,364 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-12-24 22:34:37,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:37,364 INFO L225 Difference]: With dead ends: 186 [2023-12-24 22:34:37,364 INFO L226 Difference]: Without dead ends: 184 [2023-12-24 22:34:37,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:37,365 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 94 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:37,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 540 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-24 22:34:37,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 166. [2023-12-24 22:34:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 153 states have (on average 1.2483660130718954) internal successors, (191), 165 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 191 transitions. [2023-12-24 22:34:37,366 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 191 transitions. Word has length 31 [2023-12-24 22:34:37,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:37,366 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 191 transitions. [2023-12-24 22:34:37,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 191 transitions. [2023-12-24 22:34:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-24 22:34:37,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:37,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:37,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:37,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:37,570 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:37,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1677164331, now seen corresponding path program 1 times [2023-12-24 22:34:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:37,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124114764] [2023-12-24 22:34:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:37,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:37,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:37,571 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:37,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2023-12-24 22:34:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:37,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:37,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:37,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:37,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:37,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124114764] [2023-12-24 22:34:37,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124114764] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:37,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:37,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:37,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686002179] [2023-12-24 22:34:37,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:37,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:37,670 INFO L87 Difference]: Start difference. First operand 166 states and 191 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:38,039 INFO L93 Difference]: Finished difference Result 250 states and 286 transitions. [2023-12-24 22:34:38,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 22:34:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-24 22:34:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:38,041 INFO L225 Difference]: With dead ends: 250 [2023-12-24 22:34:38,041 INFO L226 Difference]: Without dead ends: 248 [2023-12-24 22:34:38,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:34:38,042 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 192 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:38,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 734 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:38,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-12-24 22:34:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 169. [2023-12-24 22:34:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 168 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 196 transitions. [2023-12-24 22:34:38,057 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 196 transitions. Word has length 32 [2023-12-24 22:34:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:38,057 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 196 transitions. [2023-12-24 22:34:38,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 196 transitions. [2023-12-24 22:34:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-24 22:34:38,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:38,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:38,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:38,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:38,258 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:38,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1675440427, now seen corresponding path program 1 times [2023-12-24 22:34:38,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:38,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085666896] [2023-12-24 22:34:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:38,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:38,261 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:38,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2023-12-24 22:34:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:38,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:38,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:38,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:38,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085666896] [2023-12-24 22:34:38,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085666896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:38,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:38,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:38,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464913910] [2023-12-24 22:34:38,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:38,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:38,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:38,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:38,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:38,386 INFO L87 Difference]: Start difference. First operand 169 states and 196 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:38,713 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2023-12-24 22:34:38,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 22:34:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-24 22:34:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:38,714 INFO L225 Difference]: With dead ends: 182 [2023-12-24 22:34:38,714 INFO L226 Difference]: Without dead ends: 179 [2023-12-24 22:34:38,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:38,714 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 86 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:38,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 540 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-24 22:34:38,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 170. [2023-12-24 22:34:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 157 states have (on average 1.2547770700636942) internal successors, (197), 169 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 197 transitions. [2023-12-24 22:34:38,716 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 197 transitions. Word has length 32 [2023-12-24 22:34:38,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:38,716 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 197 transitions. [2023-12-24 22:34:38,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 197 transitions. [2023-12-24 22:34:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-24 22:34:38,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:38,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:38,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:38,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:38,939 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:38,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:38,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1677422449, now seen corresponding path program 1 times [2023-12-24 22:34:38,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:38,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7104795] [2023-12-24 22:34:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:38,942 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:38,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2023-12-24 22:34:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:38,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:38,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:39,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:39,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:39,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7104795] [2023-12-24 22:34:39,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7104795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:39,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:39,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:39,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182595028] [2023-12-24 22:34:39,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:39,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:39,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:39,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:39,046 INFO L87 Difference]: Start difference. First operand 170 states and 197 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:39,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:39,376 INFO L93 Difference]: Finished difference Result 179 states and 205 transitions. [2023-12-24 22:34:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:39,376 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-24 22:34:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:39,377 INFO L225 Difference]: With dead ends: 179 [2023-12-24 22:34:39,377 INFO L226 Difference]: Without dead ends: 175 [2023-12-24 22:34:39,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:39,382 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 84 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:39,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 549 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:39,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-24 22:34:39,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 169. [2023-12-24 22:34:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 156 states have (on average 1.25) internal successors, (195), 168 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 195 transitions. [2023-12-24 22:34:39,396 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 195 transitions. Word has length 32 [2023-12-24 22:34:39,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:39,396 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 195 transitions. [2023-12-24 22:34:39,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 195 transitions. [2023-12-24 22:34:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-24 22:34:39,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:39,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:39,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2023-12-24 22:34:39,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:39,600 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:39,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:39,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1676934870, now seen corresponding path program 1 times [2023-12-24 22:34:39,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:39,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059084100] [2023-12-24 22:34:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:39,601 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:39,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2023-12-24 22:34:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:39,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 22:34:39,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:39,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:39,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:39,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059084100] [2023-12-24 22:34:39,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059084100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:39,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:39,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-24 22:34:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687113761] [2023-12-24 22:34:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:39,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 22:34:39,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:39,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 22:34:39,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-24 22:34:39,720 INFO L87 Difference]: Start difference. First operand 169 states and 195 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:40,214 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2023-12-24 22:34:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 22:34:40,215 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-24 22:34:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:40,215 INFO L225 Difference]: With dead ends: 245 [2023-12-24 22:34:40,215 INFO L226 Difference]: Without dead ends: 243 [2023-12-24 22:34:40,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:34:40,216 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 167 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:40,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 823 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-12-24 22:34:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 171. [2023-12-24 22:34:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 158 states have (on average 1.2468354430379747) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 197 transitions. [2023-12-24 22:34:40,218 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 197 transitions. Word has length 32 [2023-12-24 22:34:40,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:40,218 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 197 transitions. [2023-12-24 22:34:40,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 197 transitions. [2023-12-24 22:34:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-24 22:34:40,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:40,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:40,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:40,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:40,419 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:40,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:40,420 INFO L85 PathProgramCache]: Analyzing trace with hash -982908742, now seen corresponding path program 1 times [2023-12-24 22:34:40,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:40,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525297255] [2023-12-24 22:34:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:40,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:40,421 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:40,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2023-12-24 22:34:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:40,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:40,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:40,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:40,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:40,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525297255] [2023-12-24 22:34:40,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525297255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:40,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:40,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:40,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161052711] [2023-12-24 22:34:40,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:40,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:40,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:40,549 INFO L87 Difference]: Start difference. First operand 171 states and 197 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:40,954 INFO L93 Difference]: Finished difference Result 210 states and 237 transitions. [2023-12-24 22:34:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-12-24 22:34:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:40,955 INFO L225 Difference]: With dead ends: 210 [2023-12-24 22:34:40,955 INFO L226 Difference]: Without dead ends: 208 [2023-12-24 22:34:40,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:40,957 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 121 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:40,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 618 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-24 22:34:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 173. [2023-12-24 22:34:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 160 states have (on average 1.24375) internal successors, (199), 172 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 199 transitions. [2023-12-24 22:34:40,959 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 199 transitions. Word has length 34 [2023-12-24 22:34:40,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:40,959 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 199 transitions. [2023-12-24 22:34:40,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 199 transitions. [2023-12-24 22:34:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-24 22:34:40,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:40,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:40,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:41,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:41,162 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:41,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:41,162 INFO L85 PathProgramCache]: Analyzing trace with hash 888653686, now seen corresponding path program 1 times [2023-12-24 22:34:41,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:41,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182121261] [2023-12-24 22:34:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:41,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:41,163 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:41,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2023-12-24 22:34:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:41,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:41,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:41,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:41,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:41,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182121261] [2023-12-24 22:34:41,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182121261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:41,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:41,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:41,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681190463] [2023-12-24 22:34:41,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:41,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:41,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:41,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:41,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:41,307 INFO L87 Difference]: Start difference. First operand 173 states and 199 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:41,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:41,799 INFO L93 Difference]: Finished difference Result 208 states and 235 transitions. [2023-12-24 22:34:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:41,799 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-12-24 22:34:41,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:41,800 INFO L225 Difference]: With dead ends: 208 [2023-12-24 22:34:41,800 INFO L226 Difference]: Without dead ends: 206 [2023-12-24 22:34:41,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:41,802 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 119 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:41,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 618 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-24 22:34:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 177. [2023-12-24 22:34:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 164 states have (on average 1.2439024390243902) internal successors, (204), 176 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2023-12-24 22:34:41,803 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 34 [2023-12-24 22:34:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:41,804 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2023-12-24 22:34:41,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2023-12-24 22:34:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-24 22:34:41,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:41,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:41,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:42,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:42,007 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:42,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:42,007 INFO L85 PathProgramCache]: Analyzing trace with hash -405395879, now seen corresponding path program 1 times [2023-12-24 22:34:42,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:42,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822753632] [2023-12-24 22:34:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:42,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:42,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:42,008 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:42,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2023-12-24 22:34:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:42,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:42,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:42,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:42,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:42,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822753632] [2023-12-24 22:34:42,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822753632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:42,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:42,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:42,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772442640] [2023-12-24 22:34:42,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:42,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:42,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:42,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:42,165 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:42,646 INFO L93 Difference]: Finished difference Result 206 states and 233 transitions. [2023-12-24 22:34:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:42,646 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-24 22:34:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:42,647 INFO L225 Difference]: With dead ends: 206 [2023-12-24 22:34:42,647 INFO L226 Difference]: Without dead ends: 201 [2023-12-24 22:34:42,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:42,647 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 111 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:42,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 680 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-24 22:34:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 175. [2023-12-24 22:34:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 162 states have (on average 1.2407407407407407) internal successors, (201), 174 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2023-12-24 22:34:42,650 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 35 [2023-12-24 22:34:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:42,650 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2023-12-24 22:34:42,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2023-12-24 22:34:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-24 22:34:42,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:42,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:42,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:42,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:42,853 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:42,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:42,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1778464577, now seen corresponding path program 1 times [2023-12-24 22:34:42,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:42,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222479785] [2023-12-24 22:34:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:42,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:42,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:42,855 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:42,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2023-12-24 22:34:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:42,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:42,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:43,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:43,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222479785] [2023-12-24 22:34:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222479785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:43,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:43,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:43,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372216742] [2023-12-24 22:34:43,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:43,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:43,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:43,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:43,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:43,033 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:43,385 INFO L93 Difference]: Finished difference Result 201 states and 228 transitions. [2023-12-24 22:34:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-24 22:34:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:43,386 INFO L225 Difference]: With dead ends: 201 [2023-12-24 22:34:43,386 INFO L226 Difference]: Without dead ends: 197 [2023-12-24 22:34:43,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:43,386 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 114 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:43,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 633 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 22:34:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-24 22:34:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 174. [2023-12-24 22:34:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 161 states have (on average 1.236024844720497) internal successors, (199), 173 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2023-12-24 22:34:43,388 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 35 [2023-12-24 22:34:43,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:43,388 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2023-12-24 22:34:43,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2023-12-24 22:34:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-24 22:34:43,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:43,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:43,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:43,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:43,589 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:43,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1043953957, now seen corresponding path program 1 times [2023-12-24 22:34:43,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:43,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832724294] [2023-12-24 22:34:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:43,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:43,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:43,591 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:43,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2023-12-24 22:34:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:43,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:43,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:43,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:43,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:43,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832724294] [2023-12-24 22:34:43,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832724294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:43,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:43,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:43,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678698654] [2023-12-24 22:34:43,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:43,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:43,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:43,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:43,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:43,726 INFO L87 Difference]: Start difference. First operand 174 states and 199 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:44,221 INFO L93 Difference]: Finished difference Result 197 states and 224 transitions. [2023-12-24 22:34:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:44,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-24 22:34:44,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:44,222 INFO L225 Difference]: With dead ends: 197 [2023-12-24 22:34:44,222 INFO L226 Difference]: Without dead ends: 195 [2023-12-24 22:34:44,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:44,223 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 107 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:44,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 626 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-12-24 22:34:44,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2023-12-24 22:34:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 164 states have (on average 1.2378048780487805) internal successors, (203), 176 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 203 transitions. [2023-12-24 22:34:44,224 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 203 transitions. Word has length 35 [2023-12-24 22:34:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:44,225 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 203 transitions. [2023-12-24 22:34:44,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2023-12-24 22:34:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-24 22:34:44,225 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:44,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:44,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:44,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:44,426 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:44,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash -687027095, now seen corresponding path program 1 times [2023-12-24 22:34:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:44,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366722741] [2023-12-24 22:34:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:44,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:44,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:44,427 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:44,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2023-12-24 22:34:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:44,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:44,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:44,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:44,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:44,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366722741] [2023-12-24 22:34:44,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366722741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:44,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:44,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:44,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976424610] [2023-12-24 22:34:44,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:44,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:44,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:44,557 INFO L87 Difference]: Start difference. First operand 177 states and 203 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:45,046 INFO L93 Difference]: Finished difference Result 269 states and 308 transitions. [2023-12-24 22:34:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-24 22:34:45,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-24 22:34:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:45,047 INFO L225 Difference]: With dead ends: 269 [2023-12-24 22:34:45,047 INFO L226 Difference]: Without dead ends: 267 [2023-12-24 22:34:45,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:34:45,048 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 219 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:45,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 886 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-24 22:34:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 180. [2023-12-24 22:34:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 167 states have (on average 1.2455089820359282) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 208 transitions. [2023-12-24 22:34:45,050 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 208 transitions. Word has length 36 [2023-12-24 22:34:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:45,050 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 208 transitions. [2023-12-24 22:34:45,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2023-12-24 22:34:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-24 22:34:45,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:45,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:45,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:45,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:45,253 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:45,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash -685303191, now seen corresponding path program 1 times [2023-12-24 22:34:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932635061] [2023-12-24 22:34:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:45,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:45,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:45,255 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:45,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2023-12-24 22:34:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:45,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:45,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:45,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:45,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:45,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932635061] [2023-12-24 22:34:45,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932635061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:45,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:45,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752792466] [2023-12-24 22:34:45,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:45,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:45,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:45,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:45,391 INFO L87 Difference]: Start difference. First operand 180 states and 208 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:45,870 INFO L93 Difference]: Finished difference Result 193 states and 220 transitions. [2023-12-24 22:34:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-24 22:34:45,870 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-24 22:34:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:45,871 INFO L225 Difference]: With dead ends: 193 [2023-12-24 22:34:45,871 INFO L226 Difference]: Without dead ends: 190 [2023-12-24 22:34:45,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:45,871 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 99 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:45,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 626 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-12-24 22:34:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 181. [2023-12-24 22:34:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 168 states have (on average 1.244047619047619) internal successors, (209), 180 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 209 transitions. [2023-12-24 22:34:45,873 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 209 transitions. Word has length 36 [2023-12-24 22:34:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:45,873 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 209 transitions. [2023-12-24 22:34:45,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 209 transitions. [2023-12-24 22:34:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-24 22:34:45,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:45,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:45,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2023-12-24 22:34:46,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:46,074 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:46,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:46,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1997169827, now seen corresponding path program 1 times [2023-12-24 22:34:46,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:46,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185448558] [2023-12-24 22:34:46,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:46,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:46,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:46,076 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:46,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2023-12-24 22:34:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:46,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:46,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:46,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:46,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185448558] [2023-12-24 22:34:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185448558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:46,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:46,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:46,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104165731] [2023-12-24 22:34:46,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:46,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:46,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:46,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:46,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:46,234 INFO L87 Difference]: Start difference. First operand 181 states and 209 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:46,641 INFO L93 Difference]: Finished difference Result 190 states and 217 transitions. [2023-12-24 22:34:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:46,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-24 22:34:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:46,643 INFO L225 Difference]: With dead ends: 190 [2023-12-24 22:34:46,643 INFO L226 Difference]: Without dead ends: 186 [2023-12-24 22:34:46,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:46,643 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 97 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:46,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 635 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-24 22:34:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 180. [2023-12-24 22:34:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 167 states have (on average 1.2395209580838322) internal successors, (207), 179 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2023-12-24 22:34:46,645 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 36 [2023-12-24 22:34:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:46,645 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2023-12-24 22:34:46,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2023-12-24 22:34:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-24 22:34:46,645 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:46,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:46,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Ended with exit code 0 [2023-12-24 22:34:46,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:46,848 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:46,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1997657406, now seen corresponding path program 1 times [2023-12-24 22:34:46,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:46,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174102233] [2023-12-24 22:34:46,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:46,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:46,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:46,850 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:46,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2023-12-24 22:34:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:46,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-24 22:34:46,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:46,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:46,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:46,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174102233] [2023-12-24 22:34:46,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174102233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:46,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-24 22:34:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882961445] [2023-12-24 22:34:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:46,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 22:34:46,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:46,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 22:34:46,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:34:46,966 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:47,401 INFO L93 Difference]: Finished difference Result 265 states and 306 transitions. [2023-12-24 22:34:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-24 22:34:47,402 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-24 22:34:47,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:47,402 INFO L225 Difference]: With dead ends: 265 [2023-12-24 22:34:47,402 INFO L226 Difference]: Without dead ends: 263 [2023-12-24 22:34:47,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:34:47,403 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 192 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:47,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 986 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:47,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-12-24 22:34:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 182. [2023-12-24 22:34:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 169 states have (on average 1.2366863905325445) internal successors, (209), 181 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2023-12-24 22:34:47,405 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 36 [2023-12-24 22:34:47,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:47,405 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2023-12-24 22:34:47,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2023-12-24 22:34:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-24 22:34:47,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:47,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:47,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:47,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:47,608 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:47,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:47,608 INFO L85 PathProgramCache]: Analyzing trace with hash -456281616, now seen corresponding path program 1 times [2023-12-24 22:34:47,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:47,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729384187] [2023-12-24 22:34:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:47,610 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:47,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2023-12-24 22:34:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:47,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:47,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:47,717 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:47,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729384187] [2023-12-24 22:34:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729384187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:47,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:47,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:47,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823518497] [2023-12-24 22:34:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:47,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:47,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:47,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:47,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:47,718 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:48,100 INFO L93 Difference]: Finished difference Result 221 states and 249 transitions. [2023-12-24 22:34:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:48,101 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-12-24 22:34:48,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:48,102 INFO L225 Difference]: With dead ends: 221 [2023-12-24 22:34:48,102 INFO L226 Difference]: Without dead ends: 219 [2023-12-24 22:34:48,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:48,102 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 134 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:48,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 714 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-24 22:34:48,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 184. [2023-12-24 22:34:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 171 states have (on average 1.2339181286549707) internal successors, (211), 183 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 211 transitions. [2023-12-24 22:34:48,104 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 211 transitions. Word has length 38 [2023-12-24 22:34:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:48,104 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 211 transitions. [2023-12-24 22:34:48,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 211 transitions. [2023-12-24 22:34:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-24 22:34:48,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:48,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:48,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:48,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:48,314 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:48,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:48,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1414387082, now seen corresponding path program 1 times [2023-12-24 22:34:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:48,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891978626] [2023-12-24 22:34:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:48,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:48,315 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:48,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Waiting until timeout for monitored process [2023-12-24 22:34:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:48,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:48,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:48,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:48,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:48,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891978626] [2023-12-24 22:34:48,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891978626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:48,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:48,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:48,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63025794] [2023-12-24 22:34:48,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:48,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:48,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:48,434 INFO L87 Difference]: Start difference. First operand 184 states and 211 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:48,833 INFO L93 Difference]: Finished difference Result 219 states and 247 transitions. [2023-12-24 22:34:48,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-12-24 22:34:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:48,834 INFO L225 Difference]: With dead ends: 219 [2023-12-24 22:34:48,834 INFO L226 Difference]: Without dead ends: 217 [2023-12-24 22:34:48,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:48,834 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 132 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:48,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 714 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-24 22:34:48,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2023-12-24 22:34:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 216 transitions. [2023-12-24 22:34:48,837 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 216 transitions. Word has length 38 [2023-12-24 22:34:48,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:48,837 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 216 transitions. [2023-12-24 22:34:48,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 216 transitions. [2023-12-24 22:34:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-24 22:34:48,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:48,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:48,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:49,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:49,068 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:49,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1259824157, now seen corresponding path program 1 times [2023-12-24 22:34:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:49,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920565426] [2023-12-24 22:34:49,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:49,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:49,070 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:49,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Waiting until timeout for monitored process [2023-12-24 22:34:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:49,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:49,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:49,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:49,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920565426] [2023-12-24 22:34:49,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920565426] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:49,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:49,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:49,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577995176] [2023-12-24 22:34:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:49,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:49,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:49,224 INFO L87 Difference]: Start difference. First operand 188 states and 216 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:49,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:49,787 INFO L93 Difference]: Finished difference Result 217 states and 245 transitions. [2023-12-24 22:34:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:34:49,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-12-24 22:34:49,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:49,788 INFO L225 Difference]: With dead ends: 217 [2023-12-24 22:34:49,788 INFO L226 Difference]: Without dead ends: 212 [2023-12-24 22:34:49,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:49,788 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 135 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:49,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 725 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:49,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-24 22:34:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 186. [2023-12-24 22:34:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 173 states have (on average 1.23121387283237) internal successors, (213), 185 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2023-12-24 22:34:49,790 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 39 [2023-12-24 22:34:49,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:49,790 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2023-12-24 22:34:49,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:49,790 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2023-12-24 22:34:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-24 22:34:49,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:49,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:49,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:49,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:49,991 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:49,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:49,991 INFO L85 PathProgramCache]: Analyzing trace with hash 896330669, now seen corresponding path program 1 times [2023-12-24 22:34:49,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:49,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324557099] [2023-12-24 22:34:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:49,992 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:49,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2023-12-24 22:34:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:50,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:50,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:50,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:50,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:50,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324557099] [2023-12-24 22:34:50,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324557099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:50,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:50,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096905750] [2023-12-24 22:34:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:50,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:50,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:50,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:50,156 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:50,612 INFO L93 Difference]: Finished difference Result 212 states and 240 transitions. [2023-12-24 22:34:50,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:34:50,612 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-12-24 22:34:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:50,613 INFO L225 Difference]: With dead ends: 212 [2023-12-24 22:34:50,613 INFO L226 Difference]: Without dead ends: 208 [2023-12-24 22:34:50,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:50,613 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:50,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 729 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-24 22:34:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 185. [2023-12-24 22:34:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 172 states have (on average 1.2267441860465116) internal successors, (211), 184 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 211 transitions. [2023-12-24 22:34:50,615 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 211 transitions. Word has length 39 [2023-12-24 22:34:50,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:50,615 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 211 transitions. [2023-12-24 22:34:50,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 211 transitions. [2023-12-24 22:34:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-24 22:34:50,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:50,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:50,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Ended with exit code 0 [2023-12-24 22:34:50,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:50,818 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:50,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:50,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1700945209, now seen corresponding path program 1 times [2023-12-24 22:34:50,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:50,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986829369] [2023-12-24 22:34:50,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:50,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:50,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:50,820 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:50,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Waiting until timeout for monitored process [2023-12-24 22:34:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:50,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:50,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:50,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:50,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:50,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986829369] [2023-12-24 22:34:50,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986829369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:50,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:50,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:50,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688219806] [2023-12-24 22:34:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:50,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:50,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:50,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:50,990 INFO L87 Difference]: Start difference. First operand 185 states and 211 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:51,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:51,437 INFO L93 Difference]: Finished difference Result 208 states and 236 transitions. [2023-12-24 22:34:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:51,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-12-24 22:34:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:51,438 INFO L225 Difference]: With dead ends: 208 [2023-12-24 22:34:51,438 INFO L226 Difference]: Without dead ends: 206 [2023-12-24 22:34:51,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:51,439 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 120 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:51,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 722 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-24 22:34:51,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 188. [2023-12-24 22:34:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 175 states have (on average 1.2285714285714286) internal successors, (215), 187 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 215 transitions. [2023-12-24 22:34:51,440 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 215 transitions. Word has length 39 [2023-12-24 22:34:51,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:51,440 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 215 transitions. [2023-12-24 22:34:51,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 215 transitions. [2023-12-24 22:34:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-24 22:34:51,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:51,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:51,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:51,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:51,644 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:51,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2031592829, now seen corresponding path program 1 times [2023-12-24 22:34:51,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:51,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215946343] [2023-12-24 22:34:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:51,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:51,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:51,646 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2023-12-24 22:34:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:51,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:51,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:51,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215946343] [2023-12-24 22:34:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215946343] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:51,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:51,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:51,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226723307] [2023-12-24 22:34:51,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:51,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:51,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:51,786 INFO L87 Difference]: Start difference. First operand 188 states and 215 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:52,389 INFO L93 Difference]: Finished difference Result 288 states and 330 transitions. [2023-12-24 22:34:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-24 22:34:52,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-12-24 22:34:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:52,390 INFO L225 Difference]: With dead ends: 288 [2023-12-24 22:34:52,391 INFO L226 Difference]: Without dead ends: 286 [2023-12-24 22:34:52,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-24 22:34:52,391 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 246 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:52,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1058 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:52,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-12-24 22:34:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 191. [2023-12-24 22:34:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 178 states have (on average 1.2359550561797752) internal successors, (220), 190 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 220 transitions. [2023-12-24 22:34:52,393 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 220 transitions. Word has length 40 [2023-12-24 22:34:52,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:52,393 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 220 transitions. [2023-12-24 22:34:52,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 220 transitions. [2023-12-24 22:34:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-24 22:34:52,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:52,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:52,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:52,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:52,596 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:52,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2033316733, now seen corresponding path program 1 times [2023-12-24 22:34:52,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:52,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556911317] [2023-12-24 22:34:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:52,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:52,599 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:52,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Waiting until timeout for monitored process [2023-12-24 22:34:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:52,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:52,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:52,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:52,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:52,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556911317] [2023-12-24 22:34:52,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556911317] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:52,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:52,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:52,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139524254] [2023-12-24 22:34:52,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:52,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:52,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:52,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:52,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:52,727 INFO L87 Difference]: Start difference. First operand 191 states and 220 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:53,252 INFO L93 Difference]: Finished difference Result 204 states and 232 transitions. [2023-12-24 22:34:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 22:34:53,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-12-24 22:34:53,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:53,253 INFO L225 Difference]: With dead ends: 204 [2023-12-24 22:34:53,253 INFO L226 Difference]: Without dead ends: 201 [2023-12-24 22:34:53,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:53,253 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 112 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:53,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 722 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-24 22:34:53,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 192. [2023-12-24 22:34:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 179 states have (on average 1.23463687150838) internal successors, (221), 191 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 221 transitions. [2023-12-24 22:34:53,255 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 221 transitions. Word has length 40 [2023-12-24 22:34:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:53,255 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 221 transitions. [2023-12-24 22:34:53,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 221 transitions. [2023-12-24 22:34:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-24 22:34:53,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:53,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:53,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:53,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:53,456 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:53,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:53,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1189689801, now seen corresponding path program 1 times [2023-12-24 22:34:53,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:53,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767519075] [2023-12-24 22:34:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:53,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:53,458 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:53,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2023-12-24 22:34:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:53,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:53,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:53,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:53,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:53,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767519075] [2023-12-24 22:34:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767519075] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:53,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:53,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:53,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468704497] [2023-12-24 22:34:53,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:53,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:53,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:53,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:53,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:53,613 INFO L87 Difference]: Start difference. First operand 192 states and 221 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:54,176 INFO L93 Difference]: Finished difference Result 201 states and 229 transitions. [2023-12-24 22:34:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:34:54,177 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-12-24 22:34:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:54,177 INFO L225 Difference]: With dead ends: 201 [2023-12-24 22:34:54,177 INFO L226 Difference]: Without dead ends: 197 [2023-12-24 22:34:54,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:54,177 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 109 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:54,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 791 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:34:54,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-24 22:34:54,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 191. [2023-12-24 22:34:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 190 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 219 transitions. [2023-12-24 22:34:54,179 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 219 transitions. Word has length 40 [2023-12-24 22:34:54,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:54,179 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 219 transitions. [2023-12-24 22:34:54,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 219 transitions. [2023-12-24 22:34:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-24 22:34:54,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:54,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:54,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:54,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:54,383 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:54,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1189202222, now seen corresponding path program 1 times [2023-12-24 22:34:54,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:54,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563624333] [2023-12-24 22:34:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:54,384 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:54,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Waiting until timeout for monitored process [2023-12-24 22:34:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:54,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:34:54,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:54,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:54,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:54,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563624333] [2023-12-24 22:34:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563624333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:54,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:54,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-24 22:34:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051968394] [2023-12-24 22:34:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:54,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:34:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:34:54,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:34:54,542 INFO L87 Difference]: Start difference. First operand 191 states and 219 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:55,252 INFO L93 Difference]: Finished difference Result 285 states and 329 transitions. [2023-12-24 22:34:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-24 22:34:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-12-24 22:34:55,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:55,253 INFO L225 Difference]: With dead ends: 285 [2023-12-24 22:34:55,253 INFO L226 Difference]: Without dead ends: 283 [2023-12-24 22:34:55,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-24 22:34:55,253 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 217 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:55,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1169 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:34:55,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-12-24 22:34:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 193. [2023-12-24 22:34:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 180 states have (on average 1.2277777777777779) internal successors, (221), 192 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 221 transitions. [2023-12-24 22:34:55,255 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 221 transitions. Word has length 40 [2023-12-24 22:34:55,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:55,255 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 221 transitions. [2023-12-24 22:34:55,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2023-12-24 22:34:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-24 22:34:55,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:55,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:55,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Ended with exit code 0 [2023-12-24 22:34:55,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:55,458 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:55,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:55,459 INFO L85 PathProgramCache]: Analyzing trace with hash 859640094, now seen corresponding path program 1 times [2023-12-24 22:34:55,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:55,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189352573] [2023-12-24 22:34:55,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:55,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:55,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:55,460 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:55,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2023-12-24 22:34:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:55,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:55,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:55,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:55,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:55,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189352573] [2023-12-24 22:34:55,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189352573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:55,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:55,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593268040] [2023-12-24 22:34:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:55,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:55,612 INFO L87 Difference]: Start difference. First operand 193 states and 221 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:56,245 INFO L93 Difference]: Finished difference Result 247 states and 278 transitions. [2023-12-24 22:34:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:34:56,245 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-12-24 22:34:56,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:56,246 INFO L225 Difference]: With dead ends: 247 [2023-12-24 22:34:56,246 INFO L226 Difference]: Without dead ends: 245 [2023-12-24 22:34:56,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:56,246 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 156 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:56,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 820 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:34:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-12-24 22:34:56,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 197. [2023-12-24 22:34:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 184 states have (on average 1.2282608695652173) internal successors, (226), 196 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2023-12-24 22:34:56,248 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 42 [2023-12-24 22:34:56,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:56,248 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2023-12-24 22:34:56,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2023-12-24 22:34:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-24 22:34:56,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:56,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:56,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Ended with exit code 0 [2023-12-24 22:34:56,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:56,449 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:56,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 879043225, now seen corresponding path program 1 times [2023-12-24 22:34:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759581160] [2023-12-24 22:34:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:56,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:56,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:56,451 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:56,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Waiting until timeout for monitored process [2023-12-24 22:34:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:56,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:34:56,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:56,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:56,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:56,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759581160] [2023-12-24 22:34:56,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759581160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:56,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:56,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:34:56,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647368246] [2023-12-24 22:34:56,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:56,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:34:56,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:56,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:34:56,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:56,617 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:57,062 INFO L93 Difference]: Finished difference Result 245 states and 276 transitions. [2023-12-24 22:34:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:34:57,062 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-12-24 22:34:57,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:57,063 INFO L225 Difference]: With dead ends: 245 [2023-12-24 22:34:57,063 INFO L226 Difference]: Without dead ends: 241 [2023-12-24 22:34:57,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:34:57,063 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 162 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:57,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 840 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-24 22:34:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 196. [2023-12-24 22:34:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 183 states have (on average 1.2240437158469946) internal successors, (224), 195 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 224 transitions. [2023-12-24 22:34:57,066 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 224 transitions. Word has length 43 [2023-12-24 22:34:57,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:57,066 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 224 transitions. [2023-12-24 22:34:57,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 224 transitions. [2023-12-24 22:34:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-24 22:34:57,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:57,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:57,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:57,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:57,270 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:57,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1238807326, now seen corresponding path program 1 times [2023-12-24 22:34:57,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:57,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051788251] [2023-12-24 22:34:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:57,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:57,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:57,273 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:57,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2023-12-24 22:34:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:57,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:57,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:57,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:57,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051788251] [2023-12-24 22:34:57,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051788251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:57,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:57,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:57,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53692304] [2023-12-24 22:34:57,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:57,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:57,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:57,412 INFO L87 Difference]: Start difference. First operand 196 states and 224 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:57,857 INFO L93 Difference]: Finished difference Result 241 states and 272 transitions. [2023-12-24 22:34:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:34:57,857 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-12-24 22:34:57,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:57,858 INFO L225 Difference]: With dead ends: 241 [2023-12-24 22:34:57,858 INFO L226 Difference]: Without dead ends: 239 [2023-12-24 22:34:57,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:57,861 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 149 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:57,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 824 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:34:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-12-24 22:34:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 200. [2023-12-24 22:34:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 187 states have (on average 1.2245989304812834) internal successors, (229), 199 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 229 transitions. [2023-12-24 22:34:57,863 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 229 transitions. Word has length 43 [2023-12-24 22:34:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:57,863 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 229 transitions. [2023-12-24 22:34:57,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 229 transitions. [2023-12-24 22:34:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-24 22:34:57,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:57,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:57,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:58,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:58,068 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:58,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:58,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1238358488, now seen corresponding path program 1 times [2023-12-24 22:34:58,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:58,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700395654] [2023-12-24 22:34:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:58,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:58,070 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:58,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Waiting until timeout for monitored process [2023-12-24 22:34:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:58,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:58,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:58,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:58,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700395654] [2023-12-24 22:34:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700395654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:58,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:58,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:58,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828567186] [2023-12-24 22:34:58,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:58,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:58,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:58,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:58,232 INFO L87 Difference]: Start difference. First operand 200 states and 229 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:34:58,938 INFO L93 Difference]: Finished difference Result 269 states and 302 transitions. [2023-12-24 22:34:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:34:58,938 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-12-24 22:34:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:34:58,939 INFO L225 Difference]: With dead ends: 269 [2023-12-24 22:34:58,939 INFO L226 Difference]: Without dead ends: 267 [2023-12-24 22:34:58,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:34:58,939 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 180 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:34:58,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 997 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:34:58,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-24 22:34:58,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 202. [2023-12-24 22:34:58,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 189 states have (on average 1.2275132275132274) internal successors, (232), 201 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2023-12-24 22:34:58,941 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 43 [2023-12-24 22:34:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:34:58,941 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2023-12-24 22:34:58,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:34:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2023-12-24 22:34:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-24 22:34:58,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:34:58,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:34:58,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Forceful destruction successful, exit code 0 [2023-12-24 22:34:59,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:59,145 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:34:59,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:34:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1238342600, now seen corresponding path program 1 times [2023-12-24 22:34:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:34:59,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105509184] [2023-12-24 22:34:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:34:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:34:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:34:59,146 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:34:59,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2023-12-24 22:34:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:34:59,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:34:59,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:34:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:34:59,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:34:59,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:34:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105509184] [2023-12-24 22:34:59,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105509184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:34:59,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:34:59,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:34:59,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904682021] [2023-12-24 22:34:59,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:34:59,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:34:59,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:34:59,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:34:59,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:34:59,303 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:00,044 INFO L93 Difference]: Finished difference Result 283 states and 317 transitions. [2023-12-24 22:35:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:00,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-12-24 22:35:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:00,045 INFO L225 Difference]: With dead ends: 283 [2023-12-24 22:35:00,045 INFO L226 Difference]: Without dead ends: 281 [2023-12-24 22:35:00,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:00,045 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 194 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:00,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1105 Invalid, 1901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:35:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-12-24 22:35:00,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 203. [2023-12-24 22:35:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 190 states have (on average 1.2263157894736842) internal successors, (233), 202 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2023-12-24 22:35:00,047 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 43 [2023-12-24 22:35:00,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:00,047 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2023-12-24 22:35:00,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2023-12-24 22:35:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-24 22:35:00,048 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:00,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:00,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Ended with exit code 0 [2023-12-24 22:35:00,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:00,248 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:00,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1493089997, now seen corresponding path program 1 times [2023-12-24 22:35:00,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:00,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289615990] [2023-12-24 22:35:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:00,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:00,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:00,250 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:00,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Waiting until timeout for monitored process [2023-12-24 22:35:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:00,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:35:00,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:00,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:00,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:00,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289615990] [2023-12-24 22:35:00,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289615990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:00,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:00,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:35:00,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114215930] [2023-12-24 22:35:00,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:35:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:35:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:35:00,407 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:00,864 INFO L93 Difference]: Finished difference Result 235 states and 266 transitions. [2023-12-24 22:35:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:35:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-12-24 22:35:00,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:00,865 INFO L225 Difference]: With dead ends: 235 [2023-12-24 22:35:00,865 INFO L226 Difference]: Without dead ends: 233 [2023-12-24 22:35:00,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:00,866 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 143 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:00,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 824 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:35:00,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-12-24 22:35:00,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 206. [2023-12-24 22:35:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 193 states have (on average 1.2279792746113989) internal successors, (237), 205 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 237 transitions. [2023-12-24 22:35:00,868 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 237 transitions. Word has length 43 [2023-12-24 22:35:00,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:00,868 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 237 transitions. [2023-12-24 22:35:00,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 237 transitions. [2023-12-24 22:35:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:00,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:00,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:00,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:01,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:01,071 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:01,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1495682065, now seen corresponding path program 1 times [2023-12-24 22:35:01,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:01,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898949123] [2023-12-24 22:35:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:01,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:01,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:01,073 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:01,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2023-12-24 22:35:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:01,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:35:01,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:01,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:01,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898949123] [2023-12-24 22:35:01,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898949123] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:01,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:01,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:35:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510827676] [2023-12-24 22:35:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:35:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:35:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:35:01,202 INFO L87 Difference]: Start difference. First operand 206 states and 237 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:01,879 INFO L93 Difference]: Finished difference Result 323 states and 370 transitions. [2023-12-24 22:35:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-24 22:35:01,879 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:01,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:01,880 INFO L225 Difference]: With dead ends: 323 [2023-12-24 22:35:01,880 INFO L226 Difference]: Without dead ends: 321 [2023-12-24 22:35:01,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-12-24 22:35:01,880 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 283 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:01,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1246 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-12-24 22:35:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 209. [2023-12-24 22:35:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 196 states have (on average 1.2346938775510203) internal successors, (242), 208 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 242 transitions. [2023-12-24 22:35:01,882 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 242 transitions. Word has length 44 [2023-12-24 22:35:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:01,883 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 242 transitions. [2023-12-24 22:35:01,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 242 transitions. [2023-12-24 22:35:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:01,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:01,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:01,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:02,086 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:02,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1497405969, now seen corresponding path program 1 times [2023-12-24 22:35:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:02,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845928759] [2023-12-24 22:35:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:02,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:02,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:02,087 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:02,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Waiting until timeout for monitored process [2023-12-24 22:35:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:02,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:35:02,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:02,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:02,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:02,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845928759] [2023-12-24 22:35:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845928759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:02,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:35:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552603179] [2023-12-24 22:35:02,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:02,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:35:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:02,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:35:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:35:02,247 INFO L87 Difference]: Start difference. First operand 209 states and 242 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:02,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:02,907 INFO L93 Difference]: Finished difference Result 231 states and 262 transitions. [2023-12-24 22:35:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:35:02,908 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:02,908 INFO L225 Difference]: With dead ends: 231 [2023-12-24 22:35:02,908 INFO L226 Difference]: Without dead ends: 228 [2023-12-24 22:35:02,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:02,909 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 135 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:02,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 824 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-24 22:35:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2023-12-24 22:35:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 197 states have (on average 1.233502538071066) internal successors, (243), 209 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 243 transitions. [2023-12-24 22:35:02,911 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 243 transitions. Word has length 44 [2023-12-24 22:35:02,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:02,911 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 243 transitions. [2023-12-24 22:35:02,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 243 transitions. [2023-12-24 22:35:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:02,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:02,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:02,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:03,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:03,112 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:03,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:03,112 INFO L85 PathProgramCache]: Analyzing trace with hash 251682609, now seen corresponding path program 1 times [2023-12-24 22:35:03,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:03,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499049832] [2023-12-24 22:35:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:03,113 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:03,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2023-12-24 22:35:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:03,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:03,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:03,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:03,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:03,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499049832] [2023-12-24 22:35:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499049832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:03,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:03,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:03,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010806440] [2023-12-24 22:35:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:03,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:03,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:03,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:03,265 INFO L87 Difference]: Start difference. First operand 210 states and 243 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:03,784 INFO L93 Difference]: Finished difference Result 228 states and 259 transitions. [2023-12-24 22:35:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:03,784 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:03,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:03,785 INFO L225 Difference]: With dead ends: 228 [2023-12-24 22:35:03,785 INFO L226 Difference]: Without dead ends: 223 [2023-12-24 22:35:03,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:03,785 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 136 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:03,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 838 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:35:03,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-12-24 22:35:03,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 208. [2023-12-24 22:35:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 195 states have (on average 1.2307692307692308) internal successors, (240), 207 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 240 transitions. [2023-12-24 22:35:03,787 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 240 transitions. Word has length 44 [2023-12-24 22:35:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:03,787 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 240 transitions. [2023-12-24 22:35:03,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 240 transitions. [2023-12-24 22:35:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:03,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:03,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:03,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:03,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:03,991 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:03,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash 265596979, now seen corresponding path program 1 times [2023-12-24 22:35:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:03,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725611748] [2023-12-24 22:35:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:03,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:03,993 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:03,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Waiting until timeout for monitored process [2023-12-24 22:35:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:04,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-24 22:35:04,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:04,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:04,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:04,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:04,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725611748] [2023-12-24 22:35:04,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725611748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:04,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:04,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-24 22:35:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675760524] [2023-12-24 22:35:04,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:04,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-24 22:35:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:04,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-24 22:35:04,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:04,289 INFO L87 Difference]: Start difference. First operand 208 states and 240 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:04,985 INFO L93 Difference]: Finished difference Result 320 states and 368 transitions. [2023-12-24 22:35:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 22:35:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:04,986 INFO L225 Difference]: With dead ends: 320 [2023-12-24 22:35:04,986 INFO L226 Difference]: Without dead ends: 318 [2023-12-24 22:35:04,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-12-24 22:35:04,987 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 142 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:04,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 939 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:35:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-12-24 22:35:04,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 209. [2023-12-24 22:35:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 196 states have (on average 1.2295918367346939) internal successors, (241), 208 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 241 transitions. [2023-12-24 22:35:04,989 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 241 transitions. Word has length 44 [2023-12-24 22:35:04,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:04,989 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 241 transitions. [2023-12-24 22:35:04,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 241 transitions. [2023-12-24 22:35:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:04,989 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:04,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:04,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Ended with exit code 0 [2023-12-24 22:35:05,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:05,192 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:05,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:05,192 INFO L85 PathProgramCache]: Analyzing trace with hash 266089523, now seen corresponding path program 1 times [2023-12-24 22:35:05,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:05,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153741696] [2023-12-24 22:35:05,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:05,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:05,193 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:05,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2023-12-24 22:35:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:05,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-24 22:35:05,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:05,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:05,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:05,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153741696] [2023-12-24 22:35:05,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153741696] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:05,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:05,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-24 22:35:05,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300932269] [2023-12-24 22:35:05,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:05,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-24 22:35:05,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:05,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-24 22:35:05,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:05,429 INFO L87 Difference]: Start difference. First operand 209 states and 241 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:05,957 INFO L93 Difference]: Finished difference Result 337 states and 386 transitions. [2023-12-24 22:35:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 22:35:05,957 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:05,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:05,958 INFO L225 Difference]: With dead ends: 337 [2023-12-24 22:35:05,958 INFO L226 Difference]: Without dead ends: 335 [2023-12-24 22:35:05,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-12-24 22:35:05,958 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 159 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:05,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1045 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:35:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-12-24 22:35:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 210. [2023-12-24 22:35:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 197 states have (on average 1.2284263959390862) internal successors, (242), 209 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 242 transitions. [2023-12-24 22:35:05,960 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 242 transitions. Word has length 44 [2023-12-24 22:35:05,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:05,961 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 242 transitions. [2023-12-24 22:35:05,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 242 transitions. [2023-12-24 22:35:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:05,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:05,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:05,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Ended with exit code 0 [2023-12-24 22:35:06,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:06,164 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:06,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:06,164 INFO L85 PathProgramCache]: Analyzing trace with hash 958854475, now seen corresponding path program 1 times [2023-12-24 22:35:06,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:06,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542887797] [2023-12-24 22:35:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:06,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:06,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:06,166 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:06,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Waiting until timeout for monitored process [2023-12-24 22:35:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:06,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:06,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:06,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:06,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:06,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542887797] [2023-12-24 22:35:06,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542887797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:06,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:06,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:06,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15938567] [2023-12-24 22:35:06,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:06,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:06,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:06,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:06,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:06,334 INFO L87 Difference]: Start difference. First operand 210 states and 242 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:06,972 INFO L93 Difference]: Finished difference Result 219 states and 250 transitions. [2023-12-24 22:35:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:06,972 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:06,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:06,973 INFO L225 Difference]: With dead ends: 219 [2023-12-24 22:35:06,973 INFO L226 Difference]: Without dead ends: 215 [2023-12-24 22:35:06,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:06,973 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 124 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:06,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 840 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:06,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-12-24 22:35:06,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 209. [2023-12-24 22:35:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 196 states have (on average 1.2244897959183674) internal successors, (240), 208 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 240 transitions. [2023-12-24 22:35:06,975 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 240 transitions. Word has length 44 [2023-12-24 22:35:06,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:06,975 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 240 transitions. [2023-12-24 22:35:06,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 240 transitions. [2023-12-24 22:35:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-24 22:35:06,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:06,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:06,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:07,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:07,179 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:07,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash 959342054, now seen corresponding path program 1 times [2023-12-24 22:35:07,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:07,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317190204] [2023-12-24 22:35:07,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:07,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:07,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:07,180 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:07,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2023-12-24 22:35:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:07,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 22:35:07,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:07,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:07,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317190204] [2023-12-24 22:35:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317190204] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:07,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:07,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-24 22:35:07,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803508905] [2023-12-24 22:35:07,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:07,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 22:35:07,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:07,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 22:35:07,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:35:07,351 INFO L87 Difference]: Start difference. First operand 209 states and 240 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:07,980 INFO L93 Difference]: Finished difference Result 312 states and 361 transitions. [2023-12-24 22:35:07,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-24 22:35:07,980 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-24 22:35:07,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:07,981 INFO L225 Difference]: With dead ends: 312 [2023-12-24 22:35:07,981 INFO L226 Difference]: Without dead ends: 310 [2023-12-24 22:35:07,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-12-24 22:35:07,981 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:07,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1374 Invalid, 2192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-24 22:35:07,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 211. [2023-12-24 22:35:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 198 states have (on average 1.2222222222222223) internal successors, (242), 210 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 242 transitions. [2023-12-24 22:35:07,983 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 242 transitions. Word has length 44 [2023-12-24 22:35:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:07,983 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 242 transitions. [2023-12-24 22:35:07,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 242 transitions. [2023-12-24 22:35:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-24 22:35:07,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:07,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:07,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Ended with exit code 0 [2023-12-24 22:35:08,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:08,188 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:08,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1877746207, now seen corresponding path program 1 times [2023-12-24 22:35:08,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:08,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611822022] [2023-12-24 22:35:08,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:08,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:08,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:08,190 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:08,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Waiting until timeout for monitored process [2023-12-24 22:35:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:08,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:08,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:08,372 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:08,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:08,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611822022] [2023-12-24 22:35:08,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611822022] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:08,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:08,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039372910] [2023-12-24 22:35:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:08,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:08,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:08,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:08,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:08,374 INFO L87 Difference]: Start difference. First operand 211 states and 242 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:09,122 INFO L93 Difference]: Finished difference Result 265 states and 299 transitions. [2023-12-24 22:35:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-12-24 22:35:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:09,123 INFO L225 Difference]: With dead ends: 265 [2023-12-24 22:35:09,123 INFO L226 Difference]: Without dead ends: 263 [2023-12-24 22:35:09,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:09,124 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 169 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:09,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 963 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:35:09,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-12-24 22:35:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 214. [2023-12-24 22:35:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 201 states have (on average 1.2238805970149254) internal successors, (246), 213 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2023-12-24 22:35:09,126 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 47 [2023-12-24 22:35:09,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:09,126 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2023-12-24 22:35:09,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2023-12-24 22:35:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-24 22:35:09,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:09,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:09,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:09,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:09,331 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:09,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:09,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1062559346, now seen corresponding path program 1 times [2023-12-24 22:35:09,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:09,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369569672] [2023-12-24 22:35:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:09,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:09,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:09,332 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:09,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2023-12-24 22:35:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:09,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:09,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:09,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:09,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369569672] [2023-12-24 22:35:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369569672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:09,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:09,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:09,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812875151] [2023-12-24 22:35:09,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:09,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:09,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:09,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:09,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:09,506 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:10,264 INFO L93 Difference]: Finished difference Result 263 states and 297 transitions. [2023-12-24 22:35:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:10,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-12-24 22:35:10,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:10,265 INFO L225 Difference]: With dead ends: 263 [2023-12-24 22:35:10,265 INFO L226 Difference]: Without dead ends: 261 [2023-12-24 22:35:10,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:10,266 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 167 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:10,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 963 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:35:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-12-24 22:35:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 218. [2023-12-24 22:35:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 205 states have (on average 1.224390243902439) internal successors, (251), 217 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 251 transitions. [2023-12-24 22:35:10,268 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 251 transitions. Word has length 47 [2023-12-24 22:35:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:10,268 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 251 transitions. [2023-12-24 22:35:10,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 251 transitions. [2023-12-24 22:35:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:10,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:10,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:10,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:10,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:10,471 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:10,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:10,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1919405601, now seen corresponding path program 1 times [2023-12-24 22:35:10,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:10,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454182519] [2023-12-24 22:35:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:10,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:10,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:10,473 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:10,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Waiting until timeout for monitored process [2023-12-24 22:35:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:10,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:10,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:10,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:10,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:10,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454182519] [2023-12-24 22:35:10,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454182519] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:10,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:10,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-24 22:35:10,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213759421] [2023-12-24 22:35:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:10,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-24 22:35:10,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-24 22:35:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:10,668 INFO L87 Difference]: Start difference. First operand 218 states and 251 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:11,278 INFO L93 Difference]: Finished difference Result 261 states and 295 transitions. [2023-12-24 22:35:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 22:35:11,278 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:11,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:11,279 INFO L225 Difference]: With dead ends: 261 [2023-12-24 22:35:11,279 INFO L226 Difference]: Without dead ends: 257 [2023-12-24 22:35:11,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:11,279 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 171 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:11,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 983 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:11,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-12-24 22:35:11,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217. [2023-12-24 22:35:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 204 states have (on average 1.2205882352941178) internal successors, (249), 216 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 249 transitions. [2023-12-24 22:35:11,281 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 249 transitions. Word has length 48 [2023-12-24 22:35:11,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:11,281 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 249 transitions. [2023-12-24 22:35:11,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 249 transitions. [2023-12-24 22:35:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:11,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:11,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:11,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:11,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:11,485 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:11,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:11,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1918918022, now seen corresponding path program 1 times [2023-12-24 22:35:11,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:11,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349824063] [2023-12-24 22:35:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:11,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:11,487 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:11,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2023-12-24 22:35:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:11,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:11,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:11,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:11,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:11,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349824063] [2023-12-24 22:35:11,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349824063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:11,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:11,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:11,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921989701] [2023-12-24 22:35:11,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:11,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:11,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:11,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:11,618 INFO L87 Difference]: Start difference. First operand 217 states and 249 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:12,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:12,320 INFO L93 Difference]: Finished difference Result 372 states and 426 transitions. [2023-12-24 22:35:12,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-24 22:35:12,320 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:12,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:12,321 INFO L225 Difference]: With dead ends: 372 [2023-12-24 22:35:12,321 INFO L226 Difference]: Without dead ends: 370 [2023-12-24 22:35:12,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-12-24 22:35:12,322 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 302 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:12,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1579 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:12,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-24 22:35:12,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 222. [2023-12-24 22:35:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 209 states have (on average 1.229665071770335) internal successors, (257), 221 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 257 transitions. [2023-12-24 22:35:12,324 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 257 transitions. Word has length 48 [2023-12-24 22:35:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:12,324 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 257 transitions. [2023-12-24 22:35:12,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 257 transitions. [2023-12-24 22:35:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:12,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:12,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:12,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (101)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:12,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:12,527 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:12,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:12,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1420394555, now seen corresponding path program 1 times [2023-12-24 22:35:12,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:12,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787758773] [2023-12-24 22:35:12,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:12,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:12,529 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:12,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Waiting until timeout for monitored process [2023-12-24 22:35:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:12,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:12,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:12,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:12,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:12,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787758773] [2023-12-24 22:35:12,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787758773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:12,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:12,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-24 22:35:12,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382228050] [2023-12-24 22:35:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:12,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-24 22:35:12,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:12,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-24 22:35:12,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:12,672 INFO L87 Difference]: Start difference. First operand 222 states and 257 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:13,251 INFO L93 Difference]: Finished difference Result 255 states and 289 transitions. [2023-12-24 22:35:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 22:35:13,251 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:13,252 INFO L225 Difference]: With dead ends: 255 [2023-12-24 22:35:13,252 INFO L226 Difference]: Without dead ends: 251 [2023-12-24 22:35:13,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:13,252 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 154 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:13,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1045 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 22:35:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-12-24 22:35:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 221. [2023-12-24 22:35:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 208 states have (on average 1.2259615384615385) internal successors, (255), 220 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 255 transitions. [2023-12-24 22:35:13,254 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 255 transitions. Word has length 48 [2023-12-24 22:35:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:13,254 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 255 transitions. [2023-12-24 22:35:13,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 255 transitions. [2023-12-24 22:35:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:13,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:13,255 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:13,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:13,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:13,458 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:13,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:13,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1492407030, now seen corresponding path program 1 times [2023-12-24 22:35:13,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:13,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598476201] [2023-12-24 22:35:13,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:13,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:13,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:13,459 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:13,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2023-12-24 22:35:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:13,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:13,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:13,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:13,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:13,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598476201] [2023-12-24 22:35:13,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598476201] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:13,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:13,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2023-12-24 22:35:13,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195047263] [2023-12-24 22:35:13,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-24 22:35:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-24 22:35:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2023-12-24 22:35:13,919 INFO L87 Difference]: Start difference. First operand 221 states and 255 transitions. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:15,888 INFO L93 Difference]: Finished difference Result 801 states and 879 transitions. [2023-12-24 22:35:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-24 22:35:15,888 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:15,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:15,890 INFO L225 Difference]: With dead ends: 801 [2023-12-24 22:35:15,890 INFO L226 Difference]: Without dead ends: 799 [2023-12-24 22:35:15,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=1588, Unknown=0, NotChecked=0, Total=2256 [2023-12-24 22:35:15,890 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 4372 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4372 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:15,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4372 Valid, 1295 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 2258 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 22:35:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-24 22:35:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 280. [2023-12-24 22:35:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 267 states have (on average 1.344569288389513) internal successors, (359), 279 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2023-12-24 22:35:15,893 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 48 [2023-12-24 22:35:15,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:15,893 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2023-12-24 22:35:15,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2023-12-24 22:35:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:15,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:15,895 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:15,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:16,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:16,098 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:16,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:16,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1491958192, now seen corresponding path program 1 times [2023-12-24 22:35:16,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:16,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086299642] [2023-12-24 22:35:16,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:16,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:16,100 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:16,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Waiting until timeout for monitored process [2023-12-24 22:35:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:16,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:16,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:16,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:16,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:16,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086299642] [2023-12-24 22:35:16,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086299642] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:16,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:16,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2023-12-24 22:35:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866125951] [2023-12-24 22:35:16,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:16,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-24 22:35:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:16,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-24 22:35:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2023-12-24 22:35:16,537 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:18,948 INFO L93 Difference]: Finished difference Result 1182 states and 1288 transitions. [2023-12-24 22:35:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-24 22:35:18,948 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:18,949 INFO L225 Difference]: With dead ends: 1182 [2023-12-24 22:35:18,950 INFO L226 Difference]: Without dead ends: 1180 [2023-12-24 22:35:18,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=705, Invalid=1647, Unknown=0, NotChecked=0, Total=2352 [2023-12-24 22:35:18,950 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 5742 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 2400 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5742 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 2865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 2400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:18,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5742 Valid, 1462 Invalid, 2865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 2400 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-24 22:35:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2023-12-24 22:35:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 282. [2023-12-24 22:35:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 269 states have (on average 1.345724907063197) internal successors, (362), 281 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2023-12-24 22:35:18,953 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 48 [2023-12-24 22:35:18,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:18,953 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2023-12-24 22:35:18,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2023-12-24 22:35:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-24 22:35:18,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:18,954 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:18,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Ended with exit code 0 [2023-12-24 22:35:19,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:19,157 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:19,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1491942304, now seen corresponding path program 1 times [2023-12-24 22:35:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670103051] [2023-12-24 22:35:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:19,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:19,158 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:19,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2023-12-24 22:35:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:19,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:19,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:19,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:19,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:19,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670103051] [2023-12-24 22:35:19,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670103051] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:19,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:19,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2023-12-24 22:35:19,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283516314] [2023-12-24 22:35:19,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:19,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-24 22:35:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:19,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-24 22:35:19,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2023-12-24 22:35:19,578 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:21,903 INFO L93 Difference]: Finished difference Result 1152 states and 1257 transitions. [2023-12-24 22:35:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-24 22:35:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-24 22:35:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:21,905 INFO L225 Difference]: With dead ends: 1152 [2023-12-24 22:35:21,905 INFO L226 Difference]: Without dead ends: 1150 [2023-12-24 22:35:21,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=705, Invalid=1647, Unknown=0, NotChecked=0, Total=2352 [2023-12-24 22:35:21,906 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 5026 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 2956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:21,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5026 Valid, 1709 Invalid, 2956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-24 22:35:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2023-12-24 22:35:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 283. [2023-12-24 22:35:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 270 states have (on average 1.3037037037037038) internal successors, (352), 282 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 352 transitions. [2023-12-24 22:35:21,909 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 352 transitions. Word has length 48 [2023-12-24 22:35:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:21,909 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 352 transitions. [2023-12-24 22:35:21,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 352 transitions. [2023-12-24 22:35:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-24 22:35:21,910 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:21,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:21,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Ended with exit code 0 [2023-12-24 22:35:22,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:22,113 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:22,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:22,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1067412379, now seen corresponding path program 1 times [2023-12-24 22:35:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:22,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415035059] [2023-12-24 22:35:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:22,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:22,114 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:22,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Waiting until timeout for monitored process [2023-12-24 22:35:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:22,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:22,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:22,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:22,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415035059] [2023-12-24 22:35:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415035059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:22,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:22,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534565756] [2023-12-24 22:35:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:22,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:22,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:22,292 INFO L87 Difference]: Start difference. First operand 283 states and 352 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:23,221 INFO L93 Difference]: Finished difference Result 398 states and 482 transitions. [2023-12-24 22:35:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-24 22:35:23,221 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-12-24 22:35:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:23,222 INFO L225 Difference]: With dead ends: 398 [2023-12-24 22:35:23,222 INFO L226 Difference]: Without dead ends: 396 [2023-12-24 22:35:23,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-12-24 22:35:23,222 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 296 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:23,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1435 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 22:35:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-24 22:35:23,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 284. [2023-12-24 22:35:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 271 states have (on average 1.3025830258302582) internal successors, (353), 283 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 353 transitions. [2023-12-24 22:35:23,225 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 353 transitions. Word has length 49 [2023-12-24 22:35:23,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:23,225 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 353 transitions. [2023-12-24 22:35:23,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 353 transitions. [2023-12-24 22:35:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-24 22:35:23,225 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:23,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:23,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Ended with exit code 0 [2023-12-24 22:35:23,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:23,426 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:23,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:23,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1065688475, now seen corresponding path program 1 times [2023-12-24 22:35:23,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:23,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986603246] [2023-12-24 22:35:23,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:23,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:23,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:23,427 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:23,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2023-12-24 22:35:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:23,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 22:35:23,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:23,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:23,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:23,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986603246] [2023-12-24 22:35:23,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986603246] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:23,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:23,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-24 22:35:23,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449521068] [2023-12-24 22:35:23,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:23,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 22:35:23,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:23,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 22:35:23,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-24 22:35:23,597 INFO L87 Difference]: Start difference. First operand 284 states and 353 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:24,238 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-12-24 22:35:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 22:35:24,239 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-12-24 22:35:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:24,239 INFO L225 Difference]: With dead ends: 300 [2023-12-24 22:35:24,239 INFO L226 Difference]: Without dead ends: 297 [2023-12-24 22:35:24,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:24,240 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 142 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:24,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 971 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:35:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-12-24 22:35:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 284. [2023-12-24 22:35:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 271 states have (on average 1.2988929889298892) internal successors, (352), 283 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 352 transitions. [2023-12-24 22:35:24,262 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 352 transitions. Word has length 49 [2023-12-24 22:35:24,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:24,262 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 352 transitions. [2023-12-24 22:35:24,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 352 transitions. [2023-12-24 22:35:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-24 22:35:24,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:24,264 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:24,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (107)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:24,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:24,467 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:24,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:24,467 INFO L85 PathProgramCache]: Analyzing trace with hash 980026377, now seen corresponding path program 1 times [2023-12-24 22:35:24,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:24,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401786186] [2023-12-24 22:35:24,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:24,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:24,484 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:24,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Waiting until timeout for monitored process [2023-12-24 22:35:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:24,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:24,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:24,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-24 22:35:24,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:24,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401786186] [2023-12-24 22:35:24,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401786186] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 22:35:24,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 22:35:24,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2023-12-24 22:35:24,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697524344] [2023-12-24 22:35:24,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:24,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 22:35:24,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:24,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 22:35:24,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-12-24 22:35:24,719 INFO L87 Difference]: Start difference. First operand 284 states and 352 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:24,836 INFO L93 Difference]: Finished difference Result 284 states and 352 transitions. [2023-12-24 22:35:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 22:35:24,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-12-24 22:35:24,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:24,836 INFO L225 Difference]: With dead ends: 284 [2023-12-24 22:35:24,836 INFO L226 Difference]: Without dead ends: 279 [2023-12-24 22:35:24,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:35:24,837 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 18 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:24,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 232 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:35:24,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-12-24 22:35:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2023-12-24 22:35:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 267 states have (on average 1.2546816479400749) internal successors, (335), 278 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 335 transitions. [2023-12-24 22:35:24,839 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 335 transitions. Word has length 49 [2023-12-24 22:35:24,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:24,839 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 335 transitions. [2023-12-24 22:35:24,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 335 transitions. [2023-12-24 22:35:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-24 22:35:24,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:24,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:24,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:25,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:25,044 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:25,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:25,045 INFO L85 PathProgramCache]: Analyzing trace with hash 993940747, now seen corresponding path program 1 times [2023-12-24 22:35:25,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:25,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368106214] [2023-12-24 22:35:25,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:25,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:25,062 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:25,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2023-12-24 22:35:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:25,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-24 22:35:25,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:25,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:25,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:25,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368106214] [2023-12-24 22:35:25,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368106214] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:25,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:25,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6] total 22 [2023-12-24 22:35:25,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269307313] [2023-12-24 22:35:25,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:25,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-24 22:35:25,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:25,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-24 22:35:25,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2023-12-24 22:35:25,445 INFO L87 Difference]: Start difference. First operand 279 states and 335 transitions. Second operand has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:27,079 INFO L93 Difference]: Finished difference Result 325 states and 385 transitions. [2023-12-24 22:35:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-24 22:35:27,080 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-12-24 22:35:27,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:27,080 INFO L225 Difference]: With dead ends: 325 [2023-12-24 22:35:27,080 INFO L226 Difference]: Without dead ends: 323 [2023-12-24 22:35:27,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=2389, Unknown=0, NotChecked=0, Total=2652 [2023-12-24 22:35:27,081 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 726 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2799 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 2799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:27,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 1360 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 2799 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-24 22:35:27,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-12-24 22:35:27,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 277. [2023-12-24 22:35:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 266 states have (on average 1.2518796992481203) internal successors, (333), 276 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 333 transitions. [2023-12-24 22:35:27,083 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 333 transitions. Word has length 49 [2023-12-24 22:35:27,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:27,083 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 333 transitions. [2023-12-24 22:35:27,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 333 transitions. [2023-12-24 22:35:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-24 22:35:27,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:27,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:27,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Ended with exit code 0 [2023-12-24 22:35:27,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:27,284 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:27,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:27,284 INFO L85 PathProgramCache]: Analyzing trace with hash 994433291, now seen corresponding path program 1 times [2023-12-24 22:35:27,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:27,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385136040] [2023-12-24 22:35:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:27,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:27,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:27,285 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:27,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Waiting until timeout for monitored process [2023-12-24 22:35:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:27,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-24 22:35:27,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:27,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:27,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385136040] [2023-12-24 22:35:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385136040] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:27,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:27,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6] total 22 [2023-12-24 22:35:27,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356991092] [2023-12-24 22:35:27,725 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:27,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-24 22:35:27,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:27,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-24 22:35:27,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2023-12-24 22:35:27,726 INFO L87 Difference]: Start difference. First operand 277 states and 333 transitions. Second operand has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:29,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:29,261 INFO L93 Difference]: Finished difference Result 311 states and 369 transitions. [2023-12-24 22:35:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-24 22:35:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-12-24 22:35:29,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:29,262 INFO L225 Difference]: With dead ends: 311 [2023-12-24 22:35:29,262 INFO L226 Difference]: Without dead ends: 309 [2023-12-24 22:35:29,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=253, Invalid=2297, Unknown=0, NotChecked=0, Total=2550 [2023-12-24 22:35:29,263 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 675 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:29,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1333 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 22:35:29,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-12-24 22:35:29,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 275. [2023-12-24 22:35:29,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 265 states have (on average 1.2075471698113207) internal successors, (320), 274 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 320 transitions. [2023-12-24 22:35:29,265 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 320 transitions. Word has length 49 [2023-12-24 22:35:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:29,265 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 320 transitions. [2023-12-24 22:35:29,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 320 transitions. [2023-12-24 22:35:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-24 22:35:29,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:29,265 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:29,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:29,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:29,468 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:29,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:29,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1624612412, now seen corresponding path program 1 times [2023-12-24 22:35:29,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:29,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897591433] [2023-12-24 22:35:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:29,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:29,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:29,470 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:29,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2023-12-24 22:35:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:29,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:29,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:29,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:29,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:29,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897591433] [2023-12-24 22:35:29,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897591433] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:29,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:29,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2023-12-24 22:35:29,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482911385] [2023-12-24 22:35:29,894 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:29,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-24 22:35:29,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:29,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-24 22:35:29,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2023-12-24 22:35:29,895 INFO L87 Difference]: Start difference. First operand 275 states and 320 transitions. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:32,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:32,103 INFO L93 Difference]: Finished difference Result 697 states and 782 transitions. [2023-12-24 22:35:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-24 22:35:32,104 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-12-24 22:35:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:32,105 INFO L225 Difference]: With dead ends: 697 [2023-12-24 22:35:32,105 INFO L226 Difference]: Without dead ends: 695 [2023-12-24 22:35:32,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=782, Invalid=1870, Unknown=0, NotChecked=0, Total=2652 [2023-12-24 22:35:32,105 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 3892 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 2770 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 3331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 2770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:32,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 1327 Invalid, 3331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 2770 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 22:35:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-12-24 22:35:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 439. [2023-12-24 22:35:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 429 states have (on average 1.331002331002331) internal successors, (571), 438 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 571 transitions. [2023-12-24 22:35:32,108 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 571 transitions. Word has length 52 [2023-12-24 22:35:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:32,109 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 571 transitions. [2023-12-24 22:35:32,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 571 transitions. [2023-12-24 22:35:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-24 22:35:32,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:32,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:32,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:32,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:32,312 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:32,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash 659753291, now seen corresponding path program 1 times [2023-12-24 22:35:32,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:32,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731092769] [2023-12-24 22:35:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:32,313 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:32,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Waiting until timeout for monitored process [2023-12-24 22:35:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:32,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:32,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:32,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:32,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:32,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731092769] [2023-12-24 22:35:32,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731092769] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:32,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:32,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-24 22:35:32,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703873081] [2023-12-24 22:35:32,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:32,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-24 22:35:32,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:32,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-24 22:35:32,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:32,483 INFO L87 Difference]: Start difference. First operand 439 states and 571 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:33,201 INFO L93 Difference]: Finished difference Result 456 states and 583 transitions. [2023-12-24 22:35:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 22:35:33,201 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-12-24 22:35:33,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:33,205 INFO L225 Difference]: With dead ends: 456 [2023-12-24 22:35:33,205 INFO L226 Difference]: Without dead ends: 454 [2023-12-24 22:35:33,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:33,205 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 165 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:33,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1039 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 22:35:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-24 22:35:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 440. [2023-12-24 22:35:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 430 states have (on average 1.330232558139535) internal successors, (572), 439 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 572 transitions. [2023-12-24 22:35:33,208 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 572 transitions. Word has length 52 [2023-12-24 22:35:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:33,208 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 572 transitions. [2023-12-24 22:35:33,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 572 transitions. [2023-12-24 22:35:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-24 22:35:33,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:33,209 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:33,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:33,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:33,412 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:33,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1176626867, now seen corresponding path program 1 times [2023-12-24 22:35:33,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975422457] [2023-12-24 22:35:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:33,413 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:33,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2023-12-24 22:35:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:33,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-24 22:35:33,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:33,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-24 22:35:33,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:33,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975422457] [2023-12-24 22:35:33,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975422457] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 22:35:33,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 22:35:33,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2023-12-24 22:35:33,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805871841] [2023-12-24 22:35:33,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:33,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 22:35:33,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 22:35:33,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:35:33,660 INFO L87 Difference]: Start difference. First operand 440 states and 572 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:33,778 INFO L93 Difference]: Finished difference Result 440 states and 572 transitions. [2023-12-24 22:35:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 22:35:33,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-12-24 22:35:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:33,779 INFO L225 Difference]: With dead ends: 440 [2023-12-24 22:35:33,779 INFO L226 Difference]: Without dead ends: 436 [2023-12-24 22:35:33,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2023-12-24 22:35:33,780 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:33,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 216 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:35:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-12-24 22:35:33,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2023-12-24 22:35:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 427 states have (on average 1.2997658079625294) internal successors, (555), 435 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 555 transitions. [2023-12-24 22:35:33,782 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 555 transitions. Word has length 53 [2023-12-24 22:35:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:33,783 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 555 transitions. [2023-12-24 22:35:33,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 555 transitions. [2023-12-24 22:35:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-24 22:35:33,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:33,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:33,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:33,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:33,984 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:33,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1022480333, now seen corresponding path program 1 times [2023-12-24 22:35:33,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:33,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406641098] [2023-12-24 22:35:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:33,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:33,985 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:33,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (114)] Waiting until timeout for monitored process [2023-12-24 22:35:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:34,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-24 22:35:34,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:34,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:34,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406641098] [2023-12-24 22:35:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406641098] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:34,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:34,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-24 22:35:34,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042963824] [2023-12-24 22:35:34,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:34,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-24 22:35:34,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-24 22:35:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2023-12-24 22:35:34,189 INFO L87 Difference]: Start difference. First operand 436 states and 555 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:35,060 INFO L93 Difference]: Finished difference Result 446 states and 561 transitions. [2023-12-24 22:35:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 22:35:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-12-24 22:35:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:35,060 INFO L225 Difference]: With dead ends: 446 [2023-12-24 22:35:35,061 INFO L226 Difference]: Without dead ends: 442 [2023-12-24 22:35:35,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-12-24 22:35:35,061 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:35,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1025 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 22:35:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-12-24 22:35:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2023-12-24 22:35:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 426 states have (on average 1.2981220657276995) internal successors, (553), 434 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 553 transitions. [2023-12-24 22:35:35,063 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 553 transitions. Word has length 53 [2023-12-24 22:35:35,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:35,064 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 553 transitions. [2023-12-24 22:35:35,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 553 transitions. [2023-12-24 22:35:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-24 22:35:35,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:35,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:35,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (114)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:35,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:35,267 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:35,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:35,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1021992754, now seen corresponding path program 1 times [2023-12-24 22:35:35,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:35,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784010525] [2023-12-24 22:35:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:35,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:35,268 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:35,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2023-12-24 22:35:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:35,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:35,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:35,419 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:35,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:35,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784010525] [2023-12-24 22:35:35,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784010525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:35,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:35,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-24 22:35:35,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674633888] [2023-12-24 22:35:35,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:35,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-24 22:35:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:35,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-24 22:35:35,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-12-24 22:35:35,420 INFO L87 Difference]: Start difference. First operand 435 states and 553 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:36,352 INFO L93 Difference]: Finished difference Result 558 states and 696 transitions. [2023-12-24 22:35:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-24 22:35:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-12-24 22:35:36,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:36,353 INFO L225 Difference]: With dead ends: 558 [2023-12-24 22:35:36,353 INFO L226 Difference]: Without dead ends: 556 [2023-12-24 22:35:36,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2023-12-24 22:35:36,354 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 311 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 2997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:36,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1558 Invalid, 2997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-24 22:35:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2023-12-24 22:35:36,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 435. [2023-12-24 22:35:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 426 states have (on average 1.295774647887324) internal successors, (552), 434 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 552 transitions. [2023-12-24 22:35:36,356 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 552 transitions. Word has length 53 [2023-12-24 22:35:36,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:36,357 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 552 transitions. [2023-12-24 22:35:36,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 552 transitions. [2023-12-24 22:35:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-24 22:35:36,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:36,357 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:36,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (115)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:36,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:36,557 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:36,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2130840375, now seen corresponding path program 1 times [2023-12-24 22:35:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:36,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129607687] [2023-12-24 22:35:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:36,559 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:36,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (116)] Waiting until timeout for monitored process [2023-12-24 22:35:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:36,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:36,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:36,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:37,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:37,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129607687] [2023-12-24 22:35:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129607687] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:37,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2023-12-24 22:35:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647946064] [2023-12-24 22:35:37,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:37,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-24 22:35:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:37,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-24 22:35:37,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2023-12-24 22:35:37,167 INFO L87 Difference]: Start difference. First operand 435 states and 552 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:39,934 INFO L93 Difference]: Finished difference Result 881 states and 1012 transitions. [2023-12-24 22:35:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-24 22:35:39,935 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2023-12-24 22:35:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:39,937 INFO L225 Difference]: With dead ends: 881 [2023-12-24 22:35:39,937 INFO L226 Difference]: Without dead ends: 879 [2023-12-24 22:35:39,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1182, Invalid=2600, Unknown=0, NotChecked=0, Total=3782 [2023-12-24 22:35:39,950 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 4996 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 2708 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4996 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 3353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 2708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:39,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4996 Valid, 1698 Invalid, 3353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 2708 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-24 22:35:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2023-12-24 22:35:39,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 438. [2023-12-24 22:35:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 429 states have (on average 1.2727272727272727) internal successors, (546), 437 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 546 transitions. [2023-12-24 22:35:39,954 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 546 transitions. Word has length 54 [2023-12-24 22:35:39,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:39,954 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 546 transitions. [2023-12-24 22:35:39,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 546 transitions. [2023-12-24 22:35:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-24 22:35:39,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:39,955 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:39,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (116)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:40,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:40,158 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:40,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:40,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2132564279, now seen corresponding path program 1 times [2023-12-24 22:35:40,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:40,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300359961] [2023-12-24 22:35:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:40,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:40,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:40,160 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:40,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2023-12-24 22:35:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:40,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-24 22:35:40,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:40,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:40,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:40,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300359961] [2023-12-24 22:35:40,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300359961] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:40,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:40,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2023-12-24 22:35:40,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336665535] [2023-12-24 22:35:40,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:40,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-24 22:35:40,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:40,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-24 22:35:40,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2023-12-24 22:35:40,573 INFO L87 Difference]: Start difference. First operand 438 states and 546 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:42,969 INFO L93 Difference]: Finished difference Result 582 states and 667 transitions. [2023-12-24 22:35:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-24 22:35:42,969 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2023-12-24 22:35:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:42,970 INFO L225 Difference]: With dead ends: 582 [2023-12-24 22:35:42,970 INFO L226 Difference]: Without dead ends: 567 [2023-12-24 22:35:42,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=782, Invalid=1870, Unknown=0, NotChecked=0, Total=2652 [2023-12-24 22:35:42,970 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2609 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 2551 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 2551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:42,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 1153 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 2551 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-24 22:35:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2023-12-24 22:35:42,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 439. [2023-12-24 22:35:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 430 states have (on average 1.244186046511628) internal successors, (535), 438 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 535 transitions. [2023-12-24 22:35:42,973 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 535 transitions. Word has length 54 [2023-12-24 22:35:42,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:42,973 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 535 transitions. [2023-12-24 22:35:42,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 535 transitions. [2023-12-24 22:35:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-24 22:35:42,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:42,974 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:42,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (117)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:43,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:43,175 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:43,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:43,175 INFO L85 PathProgramCache]: Analyzing trace with hash 253053241, now seen corresponding path program 1 times [2023-12-24 22:35:43,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:43,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150585224] [2023-12-24 22:35:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:43,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:43,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:43,183 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:43,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (118)] Waiting until timeout for monitored process [2023-12-24 22:35:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:43,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-24 22:35:43,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:43,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:43,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:43,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150585224] [2023-12-24 22:35:43,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150585224] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:43,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:43,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2023-12-24 22:35:43,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712663218] [2023-12-24 22:35:43,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-12-24 22:35:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:43,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-12-24 22:35:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2023-12-24 22:35:43,781 INFO L87 Difference]: Start difference. First operand 439 states and 535 transitions. Second operand has 30 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:46,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:46,800 INFO L93 Difference]: Finished difference Result 625 states and 717 transitions. [2023-12-24 22:35:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-24 22:35:46,800 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-24 22:35:46,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:46,801 INFO L225 Difference]: With dead ends: 625 [2023-12-24 22:35:46,801 INFO L226 Difference]: Without dead ends: 623 [2023-12-24 22:35:46,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=905, Invalid=2175, Unknown=0, NotChecked=0, Total=3080 [2023-12-24 22:35:46,801 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 3459 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 3155 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 3155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:46,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 1419 Invalid, 3776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 3155 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-24 22:35:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2023-12-24 22:35:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 460. [2023-12-24 22:35:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 451 states have (on average 1.2572062084257207) internal successors, (567), 459 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 567 transitions. [2023-12-24 22:35:46,804 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 567 transitions. Word has length 57 [2023-12-24 22:35:46,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:46,804 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 567 transitions. [2023-12-24 22:35:46,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 567 transitions. [2023-12-24 22:35:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-24 22:35:46,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:46,805 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:46,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (118)] Ended with exit code 0 [2023-12-24 22:35:47,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 118 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:47,005 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:47,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash -745279995, now seen corresponding path program 1 times [2023-12-24 22:35:47,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297543442] [2023-12-24 22:35:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:47,007 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:47,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2023-12-24 22:35:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:47,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-24 22:35:47,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:47,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-24 22:35:47,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:47,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297543442] [2023-12-24 22:35:47,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297543442] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 22:35:47,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 22:35:47,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17] total 19 [2023-12-24 22:35:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355190985] [2023-12-24 22:35:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:47,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 22:35:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 22:35:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2023-12-24 22:35:47,288 INFO L87 Difference]: Start difference. First operand 460 states and 567 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:47,399 INFO L93 Difference]: Finished difference Result 460 states and 567 transitions. [2023-12-24 22:35:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 22:35:47,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-12-24 22:35:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:47,400 INFO L225 Difference]: With dead ends: 460 [2023-12-24 22:35:47,400 INFO L226 Difference]: Without dead ends: 456 [2023-12-24 22:35:47,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2023-12-24 22:35:47,401 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 13 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:47,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 212 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:35:47,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-12-24 22:35:47,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2023-12-24 22:35:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 448 states have (on average 1.2276785714285714) internal successors, (550), 455 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 550 transitions. [2023-12-24 22:35:47,404 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 550 transitions. Word has length 58 [2023-12-24 22:35:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:47,404 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 550 transitions. [2023-12-24 22:35:47,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 550 transitions. [2023-12-24 22:35:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-24 22:35:47,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:47,404 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:47,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (119)] Ended with exit code 0 [2023-12-24 22:35:47,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:47,604 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:47,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:47,605 INFO L85 PathProgramCache]: Analyzing trace with hash -744792416, now seen corresponding path program 1 times [2023-12-24 22:35:47,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:47,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700158697] [2023-12-24 22:35:47,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:35:47,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:47,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:47,606 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:47,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (120)] Waiting until timeout for monitored process [2023-12-24 22:35:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:35:47,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-24 22:35:47,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:47,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:48,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:48,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700158697] [2023-12-24 22:35:48,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700158697] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:48,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:48,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2023-12-24 22:35:48,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673255194] [2023-12-24 22:35:48,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:48,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-12-24 22:35:48,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:48,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-12-24 22:35:48,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2023-12-24 22:35:48,187 INFO L87 Difference]: Start difference. First operand 456 states and 550 transitions. Second operand has 30 states, 30 states have (on average 3.8) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:51,669 INFO L93 Difference]: Finished difference Result 809 states and 953 transitions. [2023-12-24 22:35:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-24 22:35:51,669 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.8) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-12-24 22:35:51,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:51,670 INFO L225 Difference]: With dead ends: 809 [2023-12-24 22:35:51,670 INFO L226 Difference]: Without dead ends: 807 [2023-12-24 22:35:51,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1378, Invalid=3044, Unknown=0, NotChecked=0, Total=4422 [2023-12-24 22:35:51,670 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 4014 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4014 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:51,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4014 Valid, 1872 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-24 22:35:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2023-12-24 22:35:51,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 476. [2023-12-24 22:35:51,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 468 states have (on average 1.2115384615384615) internal successors, (567), 475 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 567 transitions. [2023-12-24 22:35:51,674 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 567 transitions. Word has length 58 [2023-12-24 22:35:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:51,674 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 567 transitions. [2023-12-24 22:35:51,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.8) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 567 transitions. [2023-12-24 22:35:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-24 22:35:51,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:51,674 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:51,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (120)] Ended with exit code 0 [2023-12-24 22:35:51,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:51,877 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:51,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1364662026, now seen corresponding path program 2 times [2023-12-24 22:35:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144657588] [2023-12-24 22:35:51,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:35:51,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:51,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:51,879 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:51,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2023-12-24 22:35:51,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-24 22:35:51,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:35:51,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:35:51,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-12-24 22:35:52,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:35:52,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:52,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144657588] [2023-12-24 22:35:52,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144657588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:35:52,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:35:52,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 22:35:52,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335227332] [2023-12-24 22:35:52,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:35:52,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 22:35:52,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:52,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 22:35:52,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-24 22:35:52,064 INFO L87 Difference]: Start difference. First operand 476 states and 567 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:52,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:35:52,248 INFO L93 Difference]: Finished difference Result 760 states and 906 transitions. [2023-12-24 22:35:52,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 22:35:52,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-24 22:35:52,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:35:52,250 INFO L225 Difference]: With dead ends: 760 [2023-12-24 22:35:52,250 INFO L226 Difference]: Without dead ends: 756 [2023-12-24 22:35:52,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-24 22:35:52,250 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 226 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:35:52,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 167 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:35:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-12-24 22:35:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 472. [2023-12-24 22:35:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 465 states have (on average 1.2043010752688172) internal successors, (560), 471 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 560 transitions. [2023-12-24 22:35:52,253 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 560 transitions. Word has length 108 [2023-12-24 22:35:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:35:52,253 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 560 transitions. [2023-12-24 22:35:52,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:35:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 560 transitions. [2023-12-24 22:35:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-24 22:35:52,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:35:52,254 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:35:52,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (121)] Forceful destruction successful, exit code 0 [2023-12-24 22:35:52,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 121 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:52,455 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:35:52,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:35:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1365110864, now seen corresponding path program 2 times [2023-12-24 22:35:52,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:35:52,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732408996] [2023-12-24 22:35:52,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:35:52,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:35:52,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:35:52,456 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:35:52,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (122)] Waiting until timeout for monitored process [2023-12-24 22:35:52,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:35:52,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:35:52,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-24 22:35:52,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:35:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:52,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:35:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:35:53,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:35:53,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732408996] [2023-12-24 22:35:53,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732408996] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:35:53,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:35:53,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2023-12-24 22:35:53,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779190501] [2023-12-24 22:35:53,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:35:53,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-12-24 22:35:53,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:35:53,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-12-24 22:35:53,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=1823, Unknown=0, NotChecked=0, Total=2450 [2023-12-24 22:35:53,688 INFO L87 Difference]: Start difference. First operand 472 states and 560 transitions. Second operand has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:36:05,136 INFO L93 Difference]: Finished difference Result 1889 states and 2127 transitions. [2023-12-24 22:36:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-12-24 22:36:05,137 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-24 22:36:05,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:36:05,139 INFO L225 Difference]: With dead ends: 1889 [2023-12-24 22:36:05,139 INFO L226 Difference]: Without dead ends: 1887 [2023-12-24 22:36:05,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=3579, Invalid=8193, Unknown=0, NotChecked=0, Total=11772 [2023-12-24 22:36:05,140 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 17525 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 9811 mSolverCounterSat, 2369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17525 SdHoareTripleChecker+Valid, 4449 SdHoareTripleChecker+Invalid, 12180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2369 IncrementalHoareTripleChecker+Valid, 9811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:36:05,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17525 Valid, 4449 Invalid, 12180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2369 Valid, 9811 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-24 22:36:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2023-12-24 22:36:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 578. [2023-12-24 22:36:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 571 states have (on average 1.234676007005254) internal successors, (705), 577 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 705 transitions. [2023-12-24 22:36:05,145 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 705 transitions. Word has length 108 [2023-12-24 22:36:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:36:05,145 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 705 transitions. [2023-12-24 22:36:05,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 705 transitions. [2023-12-24 22:36:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-24 22:36:05,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:36:05,145 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:36:05,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (122)] Forceful destruction successful, exit code 0 [2023-12-24 22:36:05,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:05,350 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:36:05,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:36:05,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1365126752, now seen corresponding path program 2 times [2023-12-24 22:36:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:36:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734664872] [2023-12-24 22:36:05,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:36:05,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:05,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:36:05,352 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:36:05,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2023-12-24 22:36:05,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:36:05,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:36:05,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-24 22:36:05,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:36:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:05,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:36:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:06,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:36:06,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734664872] [2023-12-24 22:36:06,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734664872] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:36:06,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:36:06,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2023-12-24 22:36:06,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626265362] [2023-12-24 22:36:06,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:36:06,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-12-24 22:36:06,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:36:06,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-12-24 22:36:06,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=1823, Unknown=0, NotChecked=0, Total=2450 [2023-12-24 22:36:06,839 INFO L87 Difference]: Start difference. First operand 578 states and 705 transitions. Second operand has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:36:17,924 INFO L93 Difference]: Finished difference Result 1837 states and 2074 transitions. [2023-12-24 22:36:17,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-12-24 22:36:17,925 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-24 22:36:17,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:36:17,926 INFO L225 Difference]: With dead ends: 1837 [2023-12-24 22:36:17,926 INFO L226 Difference]: Without dead ends: 1835 [2023-12-24 22:36:17,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2251 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=3579, Invalid=8193, Unknown=0, NotChecked=0, Total=11772 [2023-12-24 22:36:17,927 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 12290 mSDsluCounter, 5445 mSDsCounter, 0 mSdLazyCounter, 11233 mSolverCounterSat, 1891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12290 SdHoareTripleChecker+Valid, 5654 SdHoareTripleChecker+Invalid, 13124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 11233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:36:17,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12290 Valid, 5654 Invalid, 13124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 11233 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-24 22:36:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2023-12-24 22:36:17,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 579. [2023-12-24 22:36:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 572 states have (on average 1.194055944055944) internal successors, (683), 578 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 683 transitions. [2023-12-24 22:36:17,932 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 683 transitions. Word has length 108 [2023-12-24 22:36:17,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:36:17,932 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 683 transitions. [2023-12-24 22:36:17,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 683 transitions. [2023-12-24 22:36:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-24 22:36:17,932 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:36:17,932 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:36:17,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (123)] Ended with exit code 0 [2023-12-24 22:36:18,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 123 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:18,137 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:36:18,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:36:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2107889276, now seen corresponding path program 1 times [2023-12-24 22:36:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:36:18,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613383199] [2023-12-24 22:36:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:36:18,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:36:18,138 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:36:18,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (124)] Waiting until timeout for monitored process [2023-12-24 22:36:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:36:18,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-24 22:36:18,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:36:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:18,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:36:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:19,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:36:19,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613383199] [2023-12-24 22:36:19,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613383199] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:36:19,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:36:19,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 54 [2023-12-24 22:36:19,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396954960] [2023-12-24 22:36:19,820 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:36:19,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-12-24 22:36:19,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:36:19,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-12-24 22:36:19,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=2131, Unknown=0, NotChecked=0, Total=2862 [2023-12-24 22:36:19,821 INFO L87 Difference]: Start difference. First operand 579 states and 683 transitions. Second operand has 54 states, 54 states have (on average 4.296296296296297) internal successors, (232), 54 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:36:32,828 INFO L93 Difference]: Finished difference Result 1210 states and 1386 transitions. [2023-12-24 22:36:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-24 22:36:32,828 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 4.296296296296297) internal successors, (232), 54 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-24 22:36:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:36:32,830 INFO L225 Difference]: With dead ends: 1210 [2023-12-24 22:36:32,830 INFO L226 Difference]: Without dead ends: 1182 [2023-12-24 22:36:32,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=3083, Invalid=7629, Unknown=0, NotChecked=0, Total=10712 [2023-12-24 22:36:32,830 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 12108 mSDsluCounter, 4246 mSDsCounter, 0 mSdLazyCounter, 10469 mSolverCounterSat, 1936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12108 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 12405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1936 IncrementalHoareTripleChecker+Valid, 10469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-24 22:36:32,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12108 Valid, 4397 Invalid, 12405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1936 Valid, 10469 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-24 22:36:32,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2023-12-24 22:36:32,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 896. [2023-12-24 22:36:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 889 states have (on average 1.2868391451068617) internal successors, (1144), 895 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1144 transitions. [2023-12-24 22:36:32,835 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1144 transitions. Word has length 117 [2023-12-24 22:36:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:36:32,836 INFO L495 AbstractCegarLoop]: Abstraction has 896 states and 1144 transitions. [2023-12-24 22:36:32,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.296296296296297) internal successors, (232), 54 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1144 transitions. [2023-12-24 22:36:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 22:36:32,836 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:36:32,836 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:36:32,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (124)] Ended with exit code 0 [2023-12-24 22:36:33,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:33,041 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:36:33,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:36:33,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1527696913, now seen corresponding path program 1 times [2023-12-24 22:36:33,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:36:33,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969597552] [2023-12-24 22:36:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:36:33,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:36:33,042 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:36:33,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2023-12-24 22:36:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:36:33,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-24 22:36:33,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:36:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:33,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:36:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:34,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:36:34,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969597552] [2023-12-24 22:36:34,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969597552] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:36:34,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:36:34,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 54 [2023-12-24 22:36:34,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658989748] [2023-12-24 22:36:34,732 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:36:34,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-12-24 22:36:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:36:34,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-12-24 22:36:34,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=2131, Unknown=0, NotChecked=0, Total=2862 [2023-12-24 22:36:34,733 INFO L87 Difference]: Start difference. First operand 896 states and 1144 transitions. Second operand has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:48,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:36:48,798 INFO L93 Difference]: Finished difference Result 1673 states and 1947 transitions. [2023-12-24 22:36:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-12-24 22:36:48,798 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2023-12-24 22:36:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:36:48,800 INFO L225 Difference]: With dead ends: 1673 [2023-12-24 22:36:48,800 INFO L226 Difference]: Without dead ends: 1671 [2023-12-24 22:36:48,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3229 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=4900, Invalid=11102, Unknown=0, NotChecked=0, Total=16002 [2023-12-24 22:36:48,801 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 17790 mSDsluCounter, 4993 mSDsCounter, 0 mSdLazyCounter, 10369 mSolverCounterSat, 2394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17790 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 12763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2394 IncrementalHoareTripleChecker+Valid, 10369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-24 22:36:48,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17790 Valid, 5185 Invalid, 12763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2394 Valid, 10369 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-24 22:36:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2023-12-24 22:36:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 899. [2023-12-24 22:36:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 892 states have (on average 1.2612107623318385) internal successors, (1125), 898 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1125 transitions. [2023-12-24 22:36:48,807 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1125 transitions. Word has length 119 [2023-12-24 22:36:48,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:36:48,807 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1125 transitions. [2023-12-24 22:36:48,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:36:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1125 transitions. [2023-12-24 22:36:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 22:36:48,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:36:48,808 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:36:48,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (125)] Ended with exit code 0 [2023-12-24 22:36:49,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 125 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:49,013 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:36:49,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:36:49,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1525973009, now seen corresponding path program 1 times [2023-12-24 22:36:49,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:36:49,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352213068] [2023-12-24 22:36:49,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:36:49,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:36:49,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:36:49,015 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:36:49,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (126)] Waiting until timeout for monitored process [2023-12-24 22:36:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:36:49,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-24 22:36:49,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:36:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:49,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:36:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:36:50,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:36:50,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352213068] [2023-12-24 22:36:50,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352213068] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:36:50,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:36:50,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 54 [2023-12-24 22:36:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603625289] [2023-12-24 22:36:50,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:36:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-12-24 22:36:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:36:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-12-24 22:36:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=2131, Unknown=0, NotChecked=0, Total=2862 [2023-12-24 22:36:50,653 INFO L87 Difference]: Start difference. First operand 899 states and 1125 transitions. Second operand has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:02,299 INFO L93 Difference]: Finished difference Result 1080 states and 1256 transitions. [2023-12-24 22:37:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-24 22:37:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2023-12-24 22:37:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:02,300 INFO L225 Difference]: With dead ends: 1080 [2023-12-24 22:37:02,300 INFO L226 Difference]: Without dead ends: 1052 [2023-12-24 22:37:02,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=3083, Invalid=7629, Unknown=0, NotChecked=0, Total=10712 [2023-12-24 22:37:02,301 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 10337 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 10432 mSolverCounterSat, 1947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10337 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 12379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1947 IncrementalHoareTripleChecker+Valid, 10432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:02,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10337 Valid, 4262 Invalid, 12379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1947 Valid, 10432 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-24 22:37:02,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2023-12-24 22:37:02,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 900. [2023-12-24 22:37:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 893 states have (on average 1.232922732362822) internal successors, (1101), 899 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1101 transitions. [2023-12-24 22:37:02,306 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1101 transitions. Word has length 119 [2023-12-24 22:37:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:02,306 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1101 transitions. [2023-12-24 22:37:02,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.37037037037037) internal successors, (236), 54 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1101 transitions. [2023-12-24 22:37:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-24 22:37:02,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:02,306 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:02,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (126)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:02,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:02,511 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:02,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:02,511 INFO L85 PathProgramCache]: Analyzing trace with hash -228610833, now seen corresponding path program 2 times [2023-12-24 22:37:02,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:02,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253416205] [2023-12-24 22:37:02,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:37:02,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:02,513 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:02,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2023-12-24 22:37:02,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-24 22:37:02,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:37:02,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:37:02,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 22:37:02,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:37:02,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:02,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253416205] [2023-12-24 22:37:02,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253416205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:37:02,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:37:02,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:37:02,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864313164] [2023-12-24 22:37:02,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:37:02,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:37:02,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:02,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:37:02,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:37:02,709 INFO L87 Difference]: Start difference. First operand 900 states and 1101 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:02,863 INFO L93 Difference]: Finished difference Result 1442 states and 1788 transitions. [2023-12-24 22:37:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:37:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2023-12-24 22:37:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:02,865 INFO L225 Difference]: With dead ends: 1442 [2023-12-24 22:37:02,865 INFO L226 Difference]: Without dead ends: 1438 [2023-12-24 22:37:02,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:37:02,865 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 163 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:02,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 179 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:37:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2023-12-24 22:37:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 897. [2023-12-24 22:37:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 891 states have (on average 1.2065095398428731) internal successors, (1075), 896 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1075 transitions. [2023-12-24 22:37:02,871 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1075 transitions. Word has length 127 [2023-12-24 22:37:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:02,871 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1075 transitions. [2023-12-24 22:37:02,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1075 transitions. [2023-12-24 22:37:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-24 22:37:02,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:02,872 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:02,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (127)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:03,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 127 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:03,072 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:03,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:03,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1503490474, now seen corresponding path program 2 times [2023-12-24 22:37:03,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:03,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006154341] [2023-12-24 22:37:03,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:37:03,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:03,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:03,074 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:03,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (128)] Waiting until timeout for monitored process [2023-12-24 22:37:03,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-24 22:37:03,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:37:03,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:37:03,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-24 22:37:03,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:37:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-24 22:37:04,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:04,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006154341] [2023-12-24 22:37:04,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006154341] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:37:04,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:37:04,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-24 22:37:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209088562] [2023-12-24 22:37:04,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:37:04,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:37:04,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:37:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:37:04,184 INFO L87 Difference]: Start difference. First operand 897 states and 1075 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:04,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:04,926 INFO L93 Difference]: Finished difference Result 2013 states and 2408 transitions. [2023-12-24 22:37:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 22:37:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2023-12-24 22:37:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:04,929 INFO L225 Difference]: With dead ends: 2013 [2023-12-24 22:37:04,929 INFO L226 Difference]: Without dead ends: 2011 [2023-12-24 22:37:04,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2023-12-24 22:37:04,929 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 146 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:04,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 275 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-24 22:37:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2023-12-24 22:37:04,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 945. [2023-12-24 22:37:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 939 states have (on average 1.1959531416400426) internal successors, (1123), 944 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1123 transitions. [2023-12-24 22:37:04,937 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1123 transitions. Word has length 128 [2023-12-24 22:37:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:04,937 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1123 transitions. [2023-12-24 22:37:04,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1123 transitions. [2023-12-24 22:37:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-24 22:37:04,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:04,938 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:04,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (128)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:05,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:05,143 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:05,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:05,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1212705441, now seen corresponding path program 1 times [2023-12-24 22:37:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605905127] [2023-12-24 22:37:05,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:37:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:05,148 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:05,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2023-12-24 22:37:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:37:05,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-24 22:37:05,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:37:05,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:37:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:37:07,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605905127] [2023-12-24 22:37:07,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605905127] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:37:07,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:37:07,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 58 [2023-12-24 22:37:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421304322] [2023-12-24 22:37:07,057 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:37:07,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-12-24 22:37:07,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:07,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-12-24 22:37:07,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=843, Invalid=2463, Unknown=0, NotChecked=0, Total=3306 [2023-12-24 22:37:07,058 INFO L87 Difference]: Start difference. First operand 945 states and 1123 transitions. Second operand has 58 states, 58 states have (on average 4.448275862068965) internal successors, (258), 58 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:24,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:24,006 INFO L93 Difference]: Finished difference Result 1672 states and 1970 transitions. [2023-12-24 22:37:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-12-24 22:37:24,006 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 4.448275862068965) internal successors, (258), 58 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2023-12-24 22:37:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:24,008 INFO L225 Difference]: With dead ends: 1672 [2023-12-24 22:37:24,008 INFO L226 Difference]: Without dead ends: 1670 [2023-12-24 22:37:24,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3784 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=5697, Invalid=12935, Unknown=0, NotChecked=0, Total=18632 [2023-12-24 22:37:24,009 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 12583 mSDsluCounter, 5875 mSDsCounter, 0 mSdLazyCounter, 13346 mSolverCounterSat, 2227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12583 SdHoareTripleChecker+Valid, 6081 SdHoareTripleChecker+Invalid, 15573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2227 IncrementalHoareTripleChecker+Valid, 13346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:24,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12583 Valid, 6081 Invalid, 15573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2227 Valid, 13346 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-24 22:37:24,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2023-12-24 22:37:24,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 970. [2023-12-24 22:37:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 964 states have (on average 1.1981327800829875) internal successors, (1155), 969 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1155 transitions. [2023-12-24 22:37:24,015 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1155 transitions. Word has length 130 [2023-12-24 22:37:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:24,015 INFO L495 AbstractCegarLoop]: Abstraction has 970 states and 1155 transitions. [2023-12-24 22:37:24,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.448275862068965) internal successors, (258), 58 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1155 transitions. [2023-12-24 22:37:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-24 22:37:24,016 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:24,016 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:24,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (129)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:24,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:24,221 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:24,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash -296500144, now seen corresponding path program 3 times [2023-12-24 22:37:24,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:24,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250716154] [2023-12-24 22:37:24,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-24 22:37:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:24,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:24,223 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:24,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (130)] Waiting until timeout for monitored process [2023-12-24 22:37:24,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-24 22:37:24,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:37:24,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 22:37:24,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3441 backedges. 36 proven. 147 refuted. 0 times theorem prover too weak. 3258 trivial. 0 not checked. [2023-12-24 22:37:24,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:37:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3441 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3258 trivial. 0 not checked. [2023-12-24 22:37:26,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250716154] [2023-12-24 22:37:26,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250716154] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:37:26,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:37:26,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-24 22:37:26,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340708011] [2023-12-24 22:37:26,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:37:26,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 22:37:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:26,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 22:37:26,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 22:37:26,023 INFO L87 Difference]: Start difference. First operand 970 states and 1155 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:26,856 INFO L93 Difference]: Finished difference Result 1955 states and 2338 transitions. [2023-12-24 22:37:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 22:37:26,857 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2023-12-24 22:37:26,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:26,859 INFO L225 Difference]: With dead ends: 1955 [2023-12-24 22:37:26,859 INFO L226 Difference]: Without dead ends: 1951 [2023-12-24 22:37:26,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2023-12-24 22:37:26,859 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 153 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:26,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 310 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:37:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2023-12-24 22:37:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 966. [2023-12-24 22:37:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 962 states have (on average 1.182952182952183) internal successors, (1138), 965 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1138 transitions. [2023-12-24 22:37:26,866 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1138 transitions. Word has length 228 [2023-12-24 22:37:26,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:26,866 INFO L495 AbstractCegarLoop]: Abstraction has 966 states and 1138 transitions. [2023-12-24 22:37:26,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1138 transitions. [2023-12-24 22:37:26,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-24 22:37:26,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:26,867 INFO L195 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:26,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (130)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:27,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:27,067 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:27,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:27,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1019787670, now seen corresponding path program 2 times [2023-12-24 22:37:27,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:27,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094554295] [2023-12-24 22:37:27,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:37:27,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:27,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:27,069 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:27,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2023-12-24 22:37:27,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-24 22:37:27,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:37:27,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 22:37:27,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2023-12-24 22:37:27,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 22:37:27,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:27,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094554295] [2023-12-24 22:37:27,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094554295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 22:37:27,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 22:37:27,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 22:37:27,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751210271] [2023-12-24 22:37:27,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 22:37:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 22:37:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:27,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 22:37:27,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 22:37:27,385 INFO L87 Difference]: Start difference. First operand 966 states and 1138 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:27,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:37:27,547 INFO L93 Difference]: Finished difference Result 1550 states and 1839 transitions. [2023-12-24 22:37:27,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 22:37:27,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2023-12-24 22:37:27,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:37:27,549 INFO L225 Difference]: With dead ends: 1550 [2023-12-24 22:37:27,549 INFO L226 Difference]: Without dead ends: 1546 [2023-12-24 22:37:27,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-24 22:37:27,549 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 141 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:37:27,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 159 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 22:37:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2023-12-24 22:37:27,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 963. [2023-12-24 22:37:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 960 states have (on average 1.178125) internal successors, (1131), 962 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1131 transitions. [2023-12-24 22:37:27,555 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1131 transitions. Word has length 247 [2023-12-24 22:37:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:37:27,555 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1131 transitions. [2023-12-24 22:37:27,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:37:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1131 transitions. [2023-12-24 22:37:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-24 22:37:27,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:37:27,556 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:37:27,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (131)] Forceful destruction successful, exit code 0 [2023-12-24 22:37:27,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 131 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:27,757 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:37:27,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:37:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash -748134819, now seen corresponding path program 2 times [2023-12-24 22:37:27,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:37:27,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320432833] [2023-12-24 22:37:27,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:37:27,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:37:27,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:37:27,758 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:37:27,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (132)] Waiting until timeout for monitored process [2023-12-24 22:37:27,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:37:27,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:37:27,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-24 22:37:27,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:37:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 0 proven. 2000 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:37:28,926 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:37:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 0 proven. 2000 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:37:32,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:37:32,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320432833] [2023-12-24 22:37:32,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320432833] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:37:32,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:37:32,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 106 [2023-12-24 22:37:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054688140] [2023-12-24 22:37:32,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:37:32,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2023-12-24 22:37:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:37:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2023-12-24 22:37:32,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2811, Invalid=8319, Unknown=0, NotChecked=0, Total=11130 [2023-12-24 22:37:32,663 INFO L87 Difference]: Start difference. First operand 963 states and 1131 transitions. Second operand has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:39:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:39:00,520 INFO L93 Difference]: Finished difference Result 3270 states and 3830 transitions. [2023-12-24 22:39:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2023-12-24 22:39:00,521 INFO L78 Accepts]: Start accepts. Automaton has has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 249 [2023-12-24 22:39:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:39:00,531 INFO L225 Difference]: With dead ends: 3270 [2023-12-24 22:39:00,532 INFO L226 Difference]: Without dead ends: 3268 [2023-12-24 22:39:00,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13876 ImplicationChecksByTransitivity, 74.1s TimeCoverageRelationStatistics Valid=19941, Invalid=45851, Unknown=0, NotChecked=0, Total=65792 [2023-12-24 22:39:00,535 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 57692 mSDsluCounter, 17650 mSDsCounter, 0 mSdLazyCounter, 40910 mSolverCounterSat, 8009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57692 SdHoareTripleChecker+Valid, 17989 SdHoareTripleChecker+Invalid, 48919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8009 IncrementalHoareTripleChecker+Valid, 40910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:39:00,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57692 Valid, 17989 Invalid, 48919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8009 Valid, 40910 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2023-12-24 22:39:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2023-12-24 22:39:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 1921. [2023-12-24 22:39:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1918 states have (on average 1.2122002085505734) internal successors, (2325), 1920 states have internal predecessors, (2325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:39:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2325 transitions. [2023-12-24 22:39:00,547 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2325 transitions. Word has length 249 [2023-12-24 22:39:00,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:39:00,547 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 2325 transitions. [2023-12-24 22:39:00,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:39:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2325 transitions. [2023-12-24 22:39:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-24 22:39:00,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:39:00,548 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:39:00,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (132)] Forceful destruction successful, exit code 0 [2023-12-24 22:39:00,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:39:00,756 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:39:00,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:39:00,758 INFO L85 PathProgramCache]: Analyzing trace with hash -746410915, now seen corresponding path program 2 times [2023-12-24 22:39:00,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:39:00,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025937228] [2023-12-24 22:39:00,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:39:00,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:39:00,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:39:00,759 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:39:00,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2023-12-24 22:39:00,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:39:00,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:39:00,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-24 22:39:00,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:39:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 0 proven. 1960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:39:02,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:39:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 0 proven. 1960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:39:06,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:39:06,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025937228] [2023-12-24 22:39:06,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025937228] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:39:06,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:39:06,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 106 [2023-12-24 22:39:06,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405411454] [2023-12-24 22:39:06,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:39:06,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2023-12-24 22:39:06,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:39:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2023-12-24 22:39:06,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2811, Invalid=8319, Unknown=0, NotChecked=0, Total=11130 [2023-12-24 22:39:06,135 INFO L87 Difference]: Start difference. First operand 1921 states and 2325 transitions. Second operand has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:40:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:40:26,516 INFO L93 Difference]: Finished difference Result 2090 states and 2448 transitions. [2023-12-24 22:40:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-12-24 22:40:26,516 INFO L78 Accepts]: Start accepts. Automaton has has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 249 [2023-12-24 22:40:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:40:26,518 INFO L225 Difference]: With dead ends: 2090 [2023-12-24 22:40:26,518 INFO L226 Difference]: Without dead ends: 2036 [2023-12-24 22:40:26,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6427 ImplicationChecksByTransitivity, 67.2s TimeCoverageRelationStatistics Valid=12248, Invalid=30808, Unknown=0, NotChecked=0, Total=43056 [2023-12-24 22:40:26,520 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 36079 mSDsluCounter, 15812 mSDsCounter, 0 mSdLazyCounter, 41048 mSolverCounterSat, 7482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36079 SdHoareTripleChecker+Valid, 16111 SdHoareTripleChecker+Invalid, 48530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7482 IncrementalHoareTripleChecker+Valid, 41048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-12-24 22:40:26,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36079 Valid, 16111 Invalid, 48530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7482 Valid, 41048 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2023-12-24 22:40:26,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2023-12-24 22:40:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1922. [2023-12-24 22:40:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1922 states, 1919 states have (on average 1.1855132881709223) internal successors, (2275), 1921 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:40:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2275 transitions. [2023-12-24 22:40:26,530 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2275 transitions. Word has length 249 [2023-12-24 22:40:26,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:40:26,530 INFO L495 AbstractCegarLoop]: Abstraction has 1922 states and 2275 transitions. [2023-12-24 22:40:26,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.679245283018868) internal successors, (496), 106 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:40:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2275 transitions. [2023-12-24 22:40:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-24 22:40:26,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:40:26,531 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:40:26,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (133)] Forceful destruction successful, exit code 0 [2023-12-24 22:40:26,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:40:26,739 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:40:26,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:40:26,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2100103565, now seen corresponding path program 2 times [2023-12-24 22:40:26,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:40:26,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40772829] [2023-12-24 22:40:26,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 22:40:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:40:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:40:26,740 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:40:26,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (134)] Waiting until timeout for monitored process [2023-12-24 22:40:26,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 22:40:26,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:40:26,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-24 22:40:26,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:40:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 0 proven. 2442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:40:28,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:40:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 0 proven. 2442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:40:33,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:40:33,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40772829] [2023-12-24 22:40:33,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40772829] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:40:33,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:40:33,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58] total 114 [2023-12-24 22:40:33,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886600411] [2023-12-24 22:40:33,392 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:40:33,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-12-24 22:40:33,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:40:33,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-12-24 22:40:33,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3251, Invalid=9631, Unknown=0, NotChecked=0, Total=12882 [2023-12-24 22:40:33,394 INFO L87 Difference]: Start difference. First operand 1922 states and 2275 transitions. Second operand has 114 states, 114 states have (on average 4.719298245614035) internal successors, (538), 114 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:42:26,159 INFO L93 Difference]: Finished difference Result 3239 states and 3845 transitions. [2023-12-24 22:42:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-12-24 22:42:26,160 INFO L78 Accepts]: Start accepts. Automaton has has 114 states, 114 states have (on average 4.719298245614035) internal successors, (538), 114 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 270 [2023-12-24 22:42:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:42:26,162 INFO L225 Difference]: With dead ends: 3239 [2023-12-24 22:42:26,162 INFO L226 Difference]: Without dead ends: 3237 [2023-12-24 22:42:26,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16174 ImplicationChecksByTransitivity, 92.6s TimeCoverageRelationStatistics Valid=23155, Invalid=53297, Unknown=0, NotChecked=0, Total=76452 [2023-12-24 22:42:26,165 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 56815 mSDsluCounter, 20826 mSDsCounter, 0 mSdLazyCounter, 50221 mSolverCounterSat, 10150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56815 SdHoareTripleChecker+Valid, 21194 SdHoareTripleChecker+Invalid, 60371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10150 IncrementalHoareTripleChecker+Valid, 50221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2023-12-24 22:42:26,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56815 Valid, 21194 Invalid, 60371 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10150 Valid, 50221 Invalid, 0 Unknown, 0 Unchecked, 23.1s Time] [2023-12-24 22:42:26,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2023-12-24 22:42:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 1971. [2023-12-24 22:42:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1968 states have (on average 1.176321138211382) internal successors, (2315), 1970 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2315 transitions. [2023-12-24 22:42:26,177 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2315 transitions. Word has length 270 [2023-12-24 22:42:26,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:42:26,177 INFO L495 AbstractCegarLoop]: Abstraction has 1971 states and 2315 transitions. [2023-12-24 22:42:26,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.719298245614035) internal successors, (538), 114 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2315 transitions. [2023-12-24 22:42:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2023-12-24 22:42:26,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:42:26,179 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:42:26,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (134)] Forceful destruction successful, exit code 0 [2023-12-24 22:42:26,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:26,388 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:42:26,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:42:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash -665924423, now seen corresponding path program 3 times [2023-12-24 22:42:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:42:26,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800342229] [2023-12-24 22:42:26,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-24 22:42:26,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:26,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:42:26,390 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:42:26,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2023-12-24 22:42:26,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-24 22:42:26,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:42:26,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 22:42:26,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:42:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10580 backedges. 225 proven. 275 refuted. 0 times theorem prover too weak. 10080 trivial. 0 not checked. [2023-12-24 22:42:27,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:42:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10580 backedges. 0 proven. 500 refuted. 0 times theorem prover too weak. 10080 trivial. 0 not checked. [2023-12-24 22:42:30,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:42:30,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800342229] [2023-12-24 22:42:30,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800342229] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:42:30,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:42:30,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-24 22:42:30,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26407663] [2023-12-24 22:42:30,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:42:30,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-24 22:42:30,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:42:30,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-24 22:42:30,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:42:30,697 INFO L87 Difference]: Start difference. First operand 1971 states and 2315 transitions. Second operand has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:32,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:42:32,024 INFO L93 Difference]: Finished difference Result 4784 states and 5591 transitions. [2023-12-24 22:42:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-24 22:42:32,025 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2023-12-24 22:42:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:42:32,028 INFO L225 Difference]: With dead ends: 4784 [2023-12-24 22:42:32,028 INFO L226 Difference]: Without dead ends: 4782 [2023-12-24 22:42:32,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=331, Invalid=725, Unknown=0, NotChecked=0, Total=1056 [2023-12-24 22:42:32,028 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 191 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 22:42:32,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 271 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 22:42:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2023-12-24 22:42:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 2014. [2023-12-24 22:42:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2014 states, 2011 states have (on average 1.181501740427648) internal successors, (2376), 2013 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 2014 states and 2376 transitions. [2023-12-24 22:42:32,059 INFO L78 Accepts]: Start accepts. Automaton has 2014 states and 2376 transitions. Word has length 509 [2023-12-24 22:42:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:42:32,069 INFO L495 AbstractCegarLoop]: Abstraction has 2014 states and 2376 transitions. [2023-12-24 22:42:32,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2376 transitions. [2023-12-24 22:42:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2023-12-24 22:42:32,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:42:32,072 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:42:32,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (135)] Forceful destruction successful, exit code 0 [2023-12-24 22:42:32,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 135 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:32,276 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:42:32,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:42:32,276 INFO L85 PathProgramCache]: Analyzing trace with hash -664200519, now seen corresponding path program 3 times [2023-12-24 22:42:32,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:42:32,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958879407] [2023-12-24 22:42:32,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-24 22:42:32,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:42:32,278 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:42:32,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (136)] Waiting until timeout for monitored process [2023-12-24 22:42:32,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-24 22:42:32,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 22:42:32,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 22:42:32,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:42:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10488 backedges. 225 proven. 183 refuted. 0 times theorem prover too weak. 10080 trivial. 0 not checked. [2023-12-24 22:42:33,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:42:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10488 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 10080 trivial. 0 not checked. [2023-12-24 22:42:36,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:42:36,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958879407] [2023-12-24 22:42:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958879407] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:42:36,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:42:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-24 22:42:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330872941] [2023-12-24 22:42:36,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:42:36,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-24 22:42:36,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:42:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-24 22:42:36,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2023-12-24 22:42:36,657 INFO L87 Difference]: Start difference. First operand 2014 states and 2376 transitions. Second operand has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 22:42:38,417 INFO L93 Difference]: Finished difference Result 4780 states and 5575 transitions. [2023-12-24 22:42:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-24 22:42:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2023-12-24 22:42:38,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 22:42:38,420 INFO L225 Difference]: With dead ends: 4780 [2023-12-24 22:42:38,420 INFO L226 Difference]: Without dead ends: 4776 [2023-12-24 22:42:38,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1033 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2023-12-24 22:42:38,421 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 114 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 22:42:38,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 277 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 22:42:38,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2023-12-24 22:42:38,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 2023. [2023-12-24 22:42:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 2020 states have (on average 1.1806930693069306) internal successors, (2385), 2022 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2385 transitions. [2023-12-24 22:42:38,435 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2385 transitions. Word has length 509 [2023-12-24 22:42:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 22:42:38,436 INFO L495 AbstractCegarLoop]: Abstraction has 2023 states and 2385 transitions. [2023-12-24 22:42:38,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 22:42:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2385 transitions. [2023-12-24 22:42:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2023-12-24 22:42:38,438 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 22:42:38,438 INFO L195 NwaCegarLoop]: trace histogram [93, 93, 92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:42:38,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (136)] Forceful destruction successful, exit code 0 [2023-12-24 22:42:38,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:38,641 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-24 22:42:38,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 22:42:38,642 INFO L85 PathProgramCache]: Analyzing trace with hash -741649819, now seen corresponding path program 1 times [2023-12-24 22:42:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 22:42:38,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293517857] [2023-12-24 22:42:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 22:42:38,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:42:38,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 22:42:38,643 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 22:42:38,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2023-12-24 22:42:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 22:42:39,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-24 22:42:39,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 22:42:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21206 backedges. 0 proven. 21206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:42:43,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 22:42:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21206 backedges. 0 proven. 21206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 22:42:57,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 22:42:57,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293517857] [2023-12-24 22:42:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293517857] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 22:42:57,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 22:42:57,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106] total 210 [2023-12-24 22:42:57,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865547176] [2023-12-24 22:42:57,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 22:42:57,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2023-12-24 22:42:57,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 22:42:57,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2023-12-24 22:42:57,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11027, Invalid=32863, Unknown=0, NotChecked=0, Total=43890 [2023-12-24 22:42:57,979 INFO L87 Difference]: Start difference. First operand 2023 states and 2385 transitions. Second operand has 210 states, 210 states have (on average 4.838095238095238) internal successors, (1016), 210 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-24 22:48:46,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2023-12-24 22:48:46,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1179 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16299 ImplicationChecksByTransitivity, 292.4s TimeCoverageRelationStatistics Valid=38078, Invalid=99934, Unknown=0, NotChecked=0, Total=138012 [2023-12-24 22:48:46,783 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 185876 mSDsluCounter, 67404 mSDsCounter, 0 mSdLazyCounter, 162899 mSolverCounterSat, 31715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185876 SdHoareTripleChecker+Valid, 68053 SdHoareTripleChecker+Invalid, 194614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 31715 IncrementalHoareTripleChecker+Valid, 162899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2023-12-24 22:48:46,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185876 Valid, 68053 Invalid, 194614 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [31715 Valid, 162899 Invalid, 0 Unknown, 0 Unchecked, 62.4s Time] [2023-12-24 22:48:46,784 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-12-24 22:48:46,787 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (137)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 22:48:46,787 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 22:48:46,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (137)] Ended with exit code 0 [2023-12-24 22:48:46,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 137 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 22:48:46,988 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-12-24 22:48:46,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-12-24 22:48:46,990 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-12-24 22:48:46,992 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 22:48:46,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 22:48:46,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 10:48:46 BoogieIcfgContainer [2023-12-24 22:48:46,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 22:48:46,995 INFO L158 Benchmark]: Toolchain (without parser) took 889625.05ms. Allocated memory was 169.9MB in the beginning and 425.7MB in the end (delta: 255.9MB). Free memory was 133.5MB in the beginning and 94.5MB in the end (delta: 39.0MB). Peak memory consumption was 295.9MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.60ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 107.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 100.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: RCFGBuilder took 562.12ms. Allocated memory is still 169.9MB. Free memory was 100.1MB in the beginning and 137.8MB in the end (delta: -37.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,995 INFO L158 Benchmark]: TraceAbstraction took 888680.62ms. Allocated memory was 169.9MB in the beginning and 425.7MB in the end (delta: 255.9MB). Free memory was 137.3MB in the beginning and 94.5MB in the end (delta: 42.8MB). Peak memory consumption was 298.6MB. Max. memory is 8.0GB. [2023-12-24 22:48:46,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.60ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 107.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 100.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 562.12ms. Allocated memory is still 169.9MB. Free memory was 100.1MB in the beginning and 137.8MB in the end (delta: -37.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. * TraceAbstraction took 888680.62ms. Allocated memory was 169.9MB in the beginning and 425.7MB in the end (delta: 255.9MB). Free memory was 137.3MB in the beginning and 94.5MB in the end (delta: 42.8MB). Peak memory consumption was 298.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 145). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 36). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 48). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 105). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 117). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 157]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 157). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 173]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 173). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 185]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 185). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 207]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 207). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 219]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 219). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 257]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 257). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 269]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 269). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 883]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 883). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 895]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 895). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 919]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 919). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - TimeoutResultAtElement [Line: 931]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 931). Cancelled while NwaCegarLoop was constructing difference of abstraction (2023states) and FLOYD_HOARE automaton (currently 267 states, 210 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 118 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 888.6s, OverallIterations: 136, TraceHistogramMax: 93, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 782.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468141 SdHoareTripleChecker+Valid, 203.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468141 mSDsluCounter, 236897 SdHoareTripleChecker+Invalid, 171.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221734 mSDsCounter, 76511 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 502051 IncrementalHoareTripleChecker+Invalid, 578562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76511 mSolverCounterUnsat, 15163 mSDtfsCounter, 502051 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13072 GetRequests, 9491 SyntacticMatches, 0 SemanticMatches, 3580 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73244 ImplicationChecksByTransitivity, 603.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2023occurred in iteration=135, InterpolantAutomatonStates: 2852, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 135 MinimizatonAttempts, 23942 StatesRemovedByMinimization, 131 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 68.5s InterpolantComputationTime, 7568 NumberOfCodeBlocks, 6063 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 11492 ConstructedInterpolants, 1346 QuantifiedInterpolants, 63589 SizeOfPredicates, 429 NumberOfNonLiveVariables, 16999 ConjunctsInSsa, 1838 ConjunctsInUnsatCore, 166 InterpolantComputations, 109 PerfectInterpolantSequences, 50667/111564 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown