/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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-63.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 16:53:22,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 16:53:22,461 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 16:53:22,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 16:53:22,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 16:53:22,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 16:53:22,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 16:53:22,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 16:53:22,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 16:53:22,494 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 16:53:22,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 16:53:22,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 16:53:22,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 16:53:22,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 16:53:22,496 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 16:53:22,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 16:53:22,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 16:53:22,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 16:53:22,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 16:53:22,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 16:53:22,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 16:53:22,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 16:53:22,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 16:53:22,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 16:53:22,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 16:53:22,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 16:53:22,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 16:53:22,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 16:53:22,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 16:53:22,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 16:53:22,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 16:53:22,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 16:53:22,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 16:53:22,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 16:53:22,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 16:53:22,680 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 16:53:22,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-63.i [2023-12-24 16:53:23,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 16:53:23,996 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 16:53:23,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-63.i [2023-12-24 16:53:24,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae4154cdf/df9be4105aa74c378371b0c3baccc102/FLAG8e02241fb [2023-12-24 16:53:24,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae4154cdf/df9be4105aa74c378371b0c3baccc102 [2023-12-24 16:53:24,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 16:53:24,387 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 16:53:24,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 16:53:24,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 16:53:24,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 16:53:24,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce107da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24, skipping insertion in model container [2023-12-24 16:53:24,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 16:53:24,507 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-63.i[916,929] [2023-12-24 16:53:24,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 16:53:24,591 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 16:53:24,605 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-63.i[916,929] [2023-12-24 16:53:24,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 16:53:24,658 INFO L206 MainTranslator]: Completed translation [2023-12-24 16:53:24,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24 WrapperNode [2023-12-24 16:53:24,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 16:53:24,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 16:53:24,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 16:53:24,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 16:53:24,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,728 INFO L138 Inliner]: procedures = 36, calls = 221, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 706 [2023-12-24 16:53:24,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 16:53:24,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 16:53:24,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 16:53:24,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 16:53:24,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,786 INFO L175 MemorySlicer]: Split 174 memory accesses to 19 slices as follows [2, 3, 14, 12, 10, 8, 5, 8, 3, 6, 31, 10, 8, 6, 8, 8, 8, 19, 5]. 18 percent of accesses are in the largest equivalence class. The 20 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2023-12-24 16:53:24,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 16:53:24,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 16:53:24,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 16:53:24,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 16:53:24,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (1/1) ... [2023-12-24 16:53:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 16:53:24,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 16:53:24,851 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 16:53:24,891 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 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-24 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-24 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-24 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-24 16:53:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-24 16:53:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-24 16:53:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2023-12-24 16:53:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#16 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#17 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#18 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-24 16:53:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-12-24 16:53:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-12-24 16:53:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-12-24 16:53:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-24 16:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-24 16:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-12-24 16:53:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#17 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#18 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-24 16:53:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2023-12-24 16:53:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-12-24 16:53:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 16:53:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 16:53:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-24 16:53:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-12-24 16:53:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2023-12-24 16:53:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#17 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#18 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-24 16:53:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-12-24 16:53:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-12-24 16:53:25,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 16:53:25,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 16:53:26,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 16:53:26,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 16:53:26,920 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 16:53:26,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:53:26 BoogieIcfgContainer [2023-12-24 16:53:26,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 16:53:26,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 16:53:26,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 16:53:26,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 16:53:26,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 04:53:24" (1/3) ... [2023-12-24 16:53:26,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d595b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:53:26, skipping insertion in model container [2023-12-24 16:53:26,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:24" (2/3) ... [2023-12-24 16:53:26,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d595b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:53:26, skipping insertion in model container [2023-12-24 16:53:26,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:53:26" (3/3) ... [2023-12-24 16:53:26,926 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-63.i [2023-12-24 16:53:26,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 16:53:26,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 16:53:26,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 16:53:26,980 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;@3c0313d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 16:53:26,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 16:53:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 111 states have (on average 1.4594594594594594) internal successors, (162), 112 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-24 16:53:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-24 16:53:26,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:26,999 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:26,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:27,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1919952549, now seen corresponding path program 1 times [2023-12-24 16:53:27,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510747804] [2023-12-24 16:53:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:27,016 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 16:53:27,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:27,018 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 16:53:27,023 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 16:53:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:27,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 16:53:27,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-12-24 16:53:27,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:27,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510747804] [2023-12-24 16:53:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510747804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:27,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:27,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 16:53:27,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100545317] [2023-12-24 16:53:27,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:27,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 16:53:27,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:27,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 16:53:27,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 16:53:27,661 INFO L87 Difference]: Start difference. First operand has 132 states, 111 states have (on average 1.4594594594594594) internal successors, (162), 112 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-24 16:53:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:27,731 INFO L93 Difference]: Finished difference Result 261 states and 412 transitions. [2023-12-24 16:53:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 16:53:27,734 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-12-24 16:53:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:27,741 INFO L225 Difference]: With dead ends: 261 [2023-12-24 16:53:27,741 INFO L226 Difference]: Without dead ends: 130 [2023-12-24 16:53:27,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 16:53:27,748 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:27,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 16:53:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-24 16:53:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-12-24 16:53:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-24 16:53:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 193 transitions. [2023-12-24 16:53:27,794 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 193 transitions. Word has length 151 [2023-12-24 16:53:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:27,794 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 193 transitions. [2023-12-24 16:53:27,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-24 16:53:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2023-12-24 16:53:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-24 16:53:27,798 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:27,798 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:27,811 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 (2)] Forceful destruction successful, exit code 0 [2023-12-24 16:53:28,010 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 16:53:28,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:28,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:28,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2049114129, now seen corresponding path program 1 times [2023-12-24 16:53:28,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:28,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678765128] [2023-12-24 16:53:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:28,012 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 16:53:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:28,027 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 16:53:28,060 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 16:53:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:28,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 16:53:28,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:28,645 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:28,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:28,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678765128] [2023-12-24 16:53:28,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678765128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:28,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:28,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 16:53:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134246180] [2023-12-24 16:53:28,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:28,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 16:53:28,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:28,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 16:53:28,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 16:53:28,648 INFO L87 Difference]: Start difference. First operand 130 states and 193 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:28,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:28,738 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2023-12-24 16:53:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:53:28,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2023-12-24 16:53:28,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:28,740 INFO L225 Difference]: With dead ends: 292 [2023-12-24 16:53:28,740 INFO L226 Difference]: Without dead ends: 163 [2023-12-24 16:53:28,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 16:53:28,741 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 87 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:28,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 587 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 16:53:28,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-24 16:53:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 132. [2023-12-24 16:53:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 112 states have (on average 1.4196428571428572) internal successors, (159), 112 states have internal predecessors, (159), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-24 16:53:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2023-12-24 16:53:28,750 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 151 [2023-12-24 16:53:28,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:28,751 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2023-12-24 16:53:28,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2023-12-24 16:53:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-24 16:53:28,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:28,753 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:28,765 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 16:53:28,966 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 16:53:28,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:28,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:28,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1777568364, now seen corresponding path program 1 times [2023-12-24 16:53:28,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:28,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520507491] [2023-12-24 16:53:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:28,968 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 16:53:28,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:28,969 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 16:53:28,972 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 16:53:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:29,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 16:53:29,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:29,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2023-12-24 16:53:29,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-24 16:53:29,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-24 16:53:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 263 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 16:53:29,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:53:30,240 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2023-12-24 16:53:30,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2023-12-24 16:53:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-24 16:53:30,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:30,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520507491] [2023-12-24 16:53:30,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520507491] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 16:53:30,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 16:53:30,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-24 16:53:30,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204422393] [2023-12-24 16:53:30,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 16:53:30,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 16:53:30,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:30,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 16:53:30,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-24 16:53:30,325 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 13 states, 11 states have (on average 8.545454545454545) internal successors, (94), 13 states have internal predecessors, (94), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2023-12-24 16:53:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:31,384 INFO L93 Difference]: Finished difference Result 302 states and 443 transitions. [2023-12-24 16:53:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 16:53:31,385 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.545454545454545) internal successors, (94), 13 states have internal predecessors, (94), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) Word has length 153 [2023-12-24 16:53:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:31,386 INFO L225 Difference]: With dead ends: 302 [2023-12-24 16:53:31,386 INFO L226 Difference]: Without dead ends: 171 [2023-12-24 16:53:31,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2023-12-24 16:53:31,388 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1052 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:31,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 833 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 16:53:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-24 16:53:31,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 136. [2023-12-24 16:53:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 115 states have (on average 1.4) internal successors, (161), 115 states have internal predecessors, (161), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-24 16:53:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 197 transitions. [2023-12-24 16:53:31,398 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 197 transitions. Word has length 153 [2023-12-24 16:53:31,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:31,399 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 197 transitions. [2023-12-24 16:53:31,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.545454545454545) internal successors, (94), 13 states have internal predecessors, (94), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2023-12-24 16:53:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2023-12-24 16:53:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-24 16:53:31,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:31,401 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:31,429 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 16:53:31,612 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 16:53:31,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:31,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:31,613 INFO L85 PathProgramCache]: Analyzing trace with hash 929051030, now seen corresponding path program 1 times [2023-12-24 16:53:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:31,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626872670] [2023-12-24 16:53:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:31,615 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 16:53:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:31,616 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 16:53:31,622 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 16:53:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:32,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-24 16:53:32,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:32,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2023-12-24 16:53:32,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-24 16:53:32,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-24 16:53:32,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-24 16:53:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 263 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 16:53:33,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:53:33,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:53:33,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 52 [2023-12-24 16:53:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-24 16:53:34,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:34,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626872670] [2023-12-24 16:53:34,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626872670] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 16:53:34,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 16:53:34,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-12-24 16:53:34,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920530241] [2023-12-24 16:53:34,017 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 16:53:34,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-24 16:53:34,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:34,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-24 16:53:34,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-24 16:53:34,020 INFO L87 Difference]: Start difference. First operand 136 states and 197 transitions. Second operand has 20 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 6 states have call successors, (36), 4 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-24 16:53:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:36,586 INFO L93 Difference]: Finished difference Result 476 states and 691 transitions. [2023-12-24 16:53:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-24 16:53:36,589 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 6 states have call successors, (36), 4 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 153 [2023-12-24 16:53:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:36,591 INFO L225 Difference]: With dead ends: 476 [2023-12-24 16:53:36,591 INFO L226 Difference]: Without dead ends: 341 [2023-12-24 16:53:36,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=293, Invalid=967, Unknown=0, NotChecked=0, Total=1260 [2023-12-24 16:53:36,592 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 942 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:36,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 2655 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-24 16:53:36,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-12-24 16:53:36,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 265. [2023-12-24 16:53:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 224 states have (on average 1.4017857142857142) internal successors, (314), 224 states have internal predecessors, (314), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-24 16:53:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 386 transitions. [2023-12-24 16:53:36,659 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 386 transitions. Word has length 153 [2023-12-24 16:53:36,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:36,660 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 386 transitions. [2023-12-24 16:53:36,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 6 states have call successors, (36), 4 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-24 16:53:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 386 transitions. [2023-12-24 16:53:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 16:53:36,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:36,664 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:36,677 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 16:53:36,876 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 16:53:36,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:36,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:36,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1641994427, now seen corresponding path program 1 times [2023-12-24 16:53:36,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:36,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610756930] [2023-12-24 16:53:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:36,877 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 16:53:36,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:36,879 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 16:53:36,911 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 16:53:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:37,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 16:53:37,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:37,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-24 16:53:37,556 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:37,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:37,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:37,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610756930] [2023-12-24 16:53:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610756930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:37,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:37,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:53:37,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161836413] [2023-12-24 16:53:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:37,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 16:53:37,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:37,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 16:53:37,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 16:53:37,558 INFO L87 Difference]: Start difference. First operand 265 states and 386 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:37,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:37,674 INFO L93 Difference]: Finished difference Result 606 states and 879 transitions. [2023-12-24 16:53:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 16:53:37,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 155 [2023-12-24 16:53:37,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:37,677 INFO L225 Difference]: With dead ends: 606 [2023-12-24 16:53:37,677 INFO L226 Difference]: Without dead ends: 342 [2023-12-24 16:53:37,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-24 16:53:37,678 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 189 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:37,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 798 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 16:53:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-24 16:53:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 313. [2023-12-24 16:53:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 263 states have (on average 1.3878326996197718) internal successors, (365), 264 states have internal predecessors, (365), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-24 16:53:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 449 transitions. [2023-12-24 16:53:37,695 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 449 transitions. Word has length 155 [2023-12-24 16:53:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:37,705 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 449 transitions. [2023-12-24 16:53:37,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 449 transitions. [2023-12-24 16:53:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 16:53:37,708 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:37,708 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:37,723 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 (6)] Forceful destruction successful, exit code 0 [2023-12-24 16:53:37,917 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 16:53:37,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:37,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:37,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1900159865, now seen corresponding path program 1 times [2023-12-24 16:53:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:37,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875669518] [2023-12-24 16:53:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:37,919 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 16:53:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:37,920 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 16:53:37,922 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 16:53:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:38,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 16:53:38,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:38,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-12-24 16:53:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:38,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:38,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:38,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875669518] [2023-12-24 16:53:38,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875669518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:38,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:38,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 16:53:38,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526942119] [2023-12-24 16:53:38,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:38,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:53:38,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:38,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:53:38,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:53:38,595 INFO L87 Difference]: Start difference. First operand 313 states and 449 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:40,308 INFO L93 Difference]: Finished difference Result 855 states and 1218 transitions. [2023-12-24 16:53:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-24 16:53:40,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 155 [2023-12-24 16:53:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:40,313 INFO L225 Difference]: With dead ends: 855 [2023-12-24 16:53:40,313 INFO L226 Difference]: Without dead ends: 579 [2023-12-24 16:53:40,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-24 16:53:40,314 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 246 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:40,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1228 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-24 16:53:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2023-12-24 16:53:40,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 443. [2023-12-24 16:53:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 372 states have (on average 1.3709677419354838) internal successors, (510), 374 states have internal predecessors, (510), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-24 16:53:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 630 transitions. [2023-12-24 16:53:40,339 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 630 transitions. Word has length 155 [2023-12-24 16:53:40,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:40,339 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 630 transitions. [2023-12-24 16:53:40,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 630 transitions. [2023-12-24 16:53:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 16:53:40,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:40,340 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:40,352 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 (7)] Ended with exit code 0 [2023-12-24 16:53:40,551 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 16:53:40,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:40,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:40,552 INFO L85 PathProgramCache]: Analyzing trace with hash -833804401, now seen corresponding path program 1 times [2023-12-24 16:53:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:40,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034861662] [2023-12-24 16:53:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:40,553 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 16:53:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:40,554 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 16:53:40,555 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 16:53:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:41,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 16:53:41,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:41,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2023-12-24 16:53:41,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-24 16:53:41,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-24 16:53:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 263 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 16:53:41,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:53:41,572 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2023-12-24 16:53:41,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2023-12-24 16:53:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-24 16:53:41,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:41,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034861662] [2023-12-24 16:53:41,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034861662] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 16:53:41,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 16:53:41,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-24 16:53:41,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497818033] [2023-12-24 16:53:41,638 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 16:53:41,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 16:53:41,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:41,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 16:53:41,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-24 16:53:41,640 INFO L87 Difference]: Start difference. First operand 443 states and 630 transitions. Second operand has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2023-12-24 16:53:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:42,765 INFO L93 Difference]: Finished difference Result 614 states and 866 transitions. [2023-12-24 16:53:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-24 16:53:42,766 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) Word has length 155 [2023-12-24 16:53:42,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:42,768 INFO L225 Difference]: With dead ends: 614 [2023-12-24 16:53:42,768 INFO L226 Difference]: Without dead ends: 457 [2023-12-24 16:53:42,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 298 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2023-12-24 16:53:42,769 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 723 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:42,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 747 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 16:53:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-12-24 16:53:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 443. [2023-12-24 16:53:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 372 states have (on average 1.368279569892473) internal successors, (509), 374 states have internal predecessors, (509), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-24 16:53:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 629 transitions. [2023-12-24 16:53:42,798 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 629 transitions. Word has length 155 [2023-12-24 16:53:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:42,799 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 629 transitions. [2023-12-24 16:53:42,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 2 states have call predecessors, (36), 4 states have call successors, (36) [2023-12-24 16:53:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 629 transitions. [2023-12-24 16:53:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 16:53:42,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:42,801 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:42,814 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 16:53:43,012 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 16:53:43,012 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:43,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash -811172147, now seen corresponding path program 1 times [2023-12-24 16:53:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541650832] [2023-12-24 16:53:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:43,014 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 16:53:43,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:43,015 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 16:53:43,048 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 16:53:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:43,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-24 16:53:43,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:43,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2023-12-24 16:53:43,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-24 16:53:43,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-24 16:53:43,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-24 16:53:43,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-24 16:53:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 263 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 16:53:44,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:53:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:44,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541650832] [2023-12-24 16:53:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541650832] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 16:53:44,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 16:53:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 17 [2023-12-24 16:53:44,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655389644] [2023-12-24 16:53:44,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:44,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 16:53:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 16:53:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-12-24 16:53:44,307 INFO L87 Difference]: Start difference. First operand 443 states and 629 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:45,361 INFO L93 Difference]: Finished difference Result 932 states and 1323 transitions. [2023-12-24 16:53:45,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 16:53:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 155 [2023-12-24 16:53:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:45,364 INFO L225 Difference]: With dead ends: 932 [2023-12-24 16:53:45,364 INFO L226 Difference]: Without dead ends: 775 [2023-12-24 16:53:45,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2023-12-24 16:53:45,365 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 307 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:45,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1494 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-24 16:53:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2023-12-24 16:53:45,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 403. [2023-12-24 16:53:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 341 states have internal predecessors, (465), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-24 16:53:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 573 transitions. [2023-12-24 16:53:45,393 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 573 transitions. Word has length 155 [2023-12-24 16:53:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:45,393 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 573 transitions. [2023-12-24 16:53:45,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 573 transitions. [2023-12-24 16:53:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:53:45,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:45,395 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:45,406 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 16:53:45,606 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 16:53:45,606 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:45,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:45,607 INFO L85 PathProgramCache]: Analyzing trace with hash -312050190, now seen corresponding path program 1 times [2023-12-24 16:53:45,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:45,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798432477] [2023-12-24 16:53:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:45,607 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 16:53:45,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:45,608 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 16:53:45,610 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 (10)] Waiting until timeout for monitored process [2023-12-24 16:53:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:46,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-24 16:53:46,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:46,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-12-24 16:53:46,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2023-12-24 16:53:46,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2023-12-24 16:53:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 263 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-12-24 16:53:46,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:53:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:46,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:46,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798432477] [2023-12-24 16:53:46,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798432477] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 16:53:46,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 16:53:46,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2023-12-24 16:53:46,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447128021] [2023-12-24 16:53:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:46,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 16:53:46,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 16:53:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-24 16:53:46,816 INFO L87 Difference]: Start difference. First operand 403 states and 573 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:47,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:47,383 INFO L93 Difference]: Finished difference Result 421 states and 589 transitions. [2023-12-24 16:53:47,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:53:47,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:53:47,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:47,396 INFO L225 Difference]: With dead ends: 421 [2023-12-24 16:53:47,396 INFO L226 Difference]: Without dead ends: 419 [2023-12-24 16:53:47,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-24 16:53:47,398 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 107 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:47,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 595 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 16:53:47,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-12-24 16:53:47,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2023-12-24 16:53:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 353 states have (on average 1.3541076487252124) internal successors, (478), 354 states have internal predecessors, (478), 54 states have call successors, (54), 11 states have call predecessors, (54), 11 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-24 16:53:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 586 transitions. [2023-12-24 16:53:47,426 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 586 transitions. Word has length 158 [2023-12-24 16:53:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:47,429 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 586 transitions. [2023-12-24 16:53:47,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 586 transitions. [2023-12-24 16:53:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:53:47,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:47,431 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:47,460 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 16:53:47,642 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 16:53:47,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:47,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash -311990608, now seen corresponding path program 1 times [2023-12-24 16:53:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:47,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585183094] [2023-12-24 16:53:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:47,649 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 16:53:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:47,659 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 16:53:47,660 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 16:53:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:48,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 16:53:48,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:49,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:53:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:49,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:49,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585183094] [2023-12-24 16:53:49,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585183094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:49,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:49,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 16:53:49,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304160446] [2023-12-24 16:53:49,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:49,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 16:53:49,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:49,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 16:53:49,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-24 16:53:49,414 INFO L87 Difference]: Start difference. First operand 419 states and 586 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:53:57,207 INFO L93 Difference]: Finished difference Result 1189 states and 1663 transitions. [2023-12-24 16:53:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 16:53:57,208 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:53:57,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:53:57,211 INFO L225 Difference]: With dead ends: 1189 [2023-12-24 16:53:57,211 INFO L226 Difference]: Without dead ends: 839 [2023-12-24 16:53:57,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-12-24 16:53:57,213 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 342 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-12-24 16:53:57,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1302 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-12-24 16:53:57,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-12-24 16:53:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 623. [2023-12-24 16:53:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 492 states have (on average 1.315040650406504) internal successors, (647), 494 states have internal predecessors, (647), 108 states have call successors, (108), 22 states have call predecessors, (108), 22 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-24 16:53:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 863 transitions. [2023-12-24 16:53:57,263 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 863 transitions. Word has length 158 [2023-12-24 16:53:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:53:57,264 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 863 transitions. [2023-12-24 16:53:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:53:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 863 transitions. [2023-12-24 16:53:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:53:57,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:53:57,265 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:57,277 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 16:53:57,476 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 16:53:57,477 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:53:57,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:53:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash -706357394, now seen corresponding path program 1 times [2023-12-24 16:53:57,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:53:57,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993590717] [2023-12-24 16:53:57,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:53:57,478 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 16:53:57,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:53:57,479 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 16:53:57,481 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 (12)] Waiting until timeout for monitored process [2023-12-24 16:53:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:53:58,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 16:53:58,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:53:59,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:53:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:53:59,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:53:59,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:53:59,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993590717] [2023-12-24 16:53:59,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993590717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:53:59,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:53:59,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 16:53:59,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101134399] [2023-12-24 16:53:59,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:53:59,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 16:53:59,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:53:59,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 16:53:59,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-24 16:53:59,619 INFO L87 Difference]: Start difference. First operand 623 states and 863 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:54:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:54:06,706 INFO L93 Difference]: Finished difference Result 1329 states and 1849 transitions. [2023-12-24 16:54:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 16:54:06,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:54:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:54:06,710 INFO L225 Difference]: With dead ends: 1329 [2023-12-24 16:54:06,710 INFO L226 Difference]: Without dead ends: 839 [2023-12-24 16:54:06,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-12-24 16:54:06,711 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 383 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-24 16:54:06,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1255 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-12-24 16:54:06,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-12-24 16:54:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 701. [2023-12-24 16:54:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 570 states have (on average 1.3333333333333333) internal successors, (760), 572 states have internal predecessors, (760), 108 states have call successors, (108), 22 states have call predecessors, (108), 22 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-24 16:54:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 976 transitions. [2023-12-24 16:54:06,790 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 976 transitions. Word has length 158 [2023-12-24 16:54:06,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:54:06,790 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 976 transitions. [2023-12-24 16:54:06,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:54:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 976 transitions. [2023-12-24 16:54:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:54:06,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:54:06,792 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:06,804 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 (12)] Forceful destruction successful, exit code 0 [2023-12-24 16:54:07,004 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 16:54:07,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:54:07,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:54:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash -565808784, now seen corresponding path program 1 times [2023-12-24 16:54:07,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:54:07,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989224705] [2023-12-24 16:54:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:54:07,005 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 16:54:07,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:54:07,007 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 16:54:07,040 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 16:54:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:54:07,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-24 16:54:07,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:54:14,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:54:14,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 43 [2023-12-24 16:54:14,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:54:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-12-24 16:54:15,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:55:33,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:55:33,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989224705] [2023-12-24 16:55:33,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989224705] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 16:55:33,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1532663704] [2023-12-24 16:55:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:55:33,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 16:55:33,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 16:55:33,081 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 16:55:33,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-24 16:55:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:55:34,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-24 16:55:34,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:55:36,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-24 16:55:56,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-12-24 16:55:59,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2023-12-24 16:55:59,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 40 [2023-12-24 16:56:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 40 proven. 348 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-12-24 16:56:02,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:56:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:56:04,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1532663704] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 16:56:04,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-24 16:56:04,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18, 15] total 34 [2023-12-24 16:56:04,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031608808] [2023-12-24 16:56:04,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:56:04,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 16:56:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:56:04,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 16:56:04,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1451, Unknown=0, NotChecked=0, Total=1560 [2023-12-24 16:56:04,350 INFO L87 Difference]: Start difference. First operand 701 states and 976 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:08,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:56:08,473 INFO L93 Difference]: Finished difference Result 1299 states and 1793 transitions. [2023-12-24 16:56:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:56:08,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:56:08,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:56:08,476 INFO L225 Difference]: With dead ends: 1299 [2023-12-24 16:56:08,476 INFO L226 Difference]: Without dead ends: 731 [2023-12-24 16:56:08,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 99.2s TimeCoverageRelationStatistics Valid=119, Invalid=1603, Unknown=0, NotChecked=0, Total=1722 [2023-12-24 16:56:08,478 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-24 16:56:08,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 522 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-24 16:56:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2023-12-24 16:56:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 681. [2023-12-24 16:56:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 566 states have (on average 1.3356890459363957) internal successors, (756), 568 states have internal predecessors, (756), 88 states have call successors, (88), 26 states have call predecessors, (88), 26 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-24 16:56:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 932 transitions. [2023-12-24 16:56:08,522 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 932 transitions. Word has length 158 [2023-12-24 16:56:08,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:56:08,522 INFO L495 AbstractCegarLoop]: Abstraction has 681 states and 932 transitions. [2023-12-24 16:56:08,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 932 transitions. [2023-12-24 16:56:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:56:08,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:56:08,523 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:08,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-24 16:56:08,761 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 16:56:08,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 16:56:08,935 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:56:08,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:56:08,935 INFO L85 PathProgramCache]: Analyzing trace with hash -508550482, now seen corresponding path program 1 times [2023-12-24 16:56:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:56:08,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694726555] [2023-12-24 16:56:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:56:08,936 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 16:56:08,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:56:08,937 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 16:56:08,970 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 16:56:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:56:09,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:56:09,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:56:10,572 INFO L349 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2023-12-24 16:56:10,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2023-12-24 16:56:10,953 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-24 16:56:10,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 34 [2023-12-24 16:56:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:56:11,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:56:11,000 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:56:11,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694726555] [2023-12-24 16:56:11,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694726555] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:56:11,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:56:11,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 16:56:11,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302175542] [2023-12-24 16:56:11,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:56:11,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 16:56:11,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:56:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 16:56:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-24 16:56:11,001 INFO L87 Difference]: Start difference. First operand 681 states and 932 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:11,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:56:11,392 INFO L93 Difference]: Finished difference Result 1279 states and 1751 transitions. [2023-12-24 16:56:11,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:56:11,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:56:11,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:56:11,395 INFO L225 Difference]: With dead ends: 1279 [2023-12-24 16:56:11,395 INFO L226 Difference]: Without dead ends: 691 [2023-12-24 16:56:11,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-24 16:56:11,399 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 388 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 16:56:11,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 535 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 16:56:11,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-12-24 16:56:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 685. [2023-12-24 16:56:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 570 states have (on average 1.3333333333333333) internal successors, (760), 572 states have internal predecessors, (760), 88 states have call successors, (88), 26 states have call predecessors, (88), 26 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-24 16:56:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 936 transitions. [2023-12-24 16:56:11,457 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 936 transitions. Word has length 158 [2023-12-24 16:56:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:56:11,457 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 936 transitions. [2023-12-24 16:56:11,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 936 transitions. [2023-12-24 16:56:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-24 16:56:11,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:56:11,459 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:11,491 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 16:56:11,660 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 16:56:11,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:56:11,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:56:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1317897108, now seen corresponding path program 1 times [2023-12-24 16:56:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:56:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571809163] [2023-12-24 16:56:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:56:11,661 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 16:56:11,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:56:11,663 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 16:56:11,664 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 16:56:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:56:12,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 16:56:12,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:56:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 16:56:12,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:56:12,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:56:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571809163] [2023-12-24 16:56:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571809163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:56:12,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:56:12,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:56:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350562307] [2023-12-24 16:56:12,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:56:12,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 16:56:12,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:56:12,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 16:56:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 16:56:12,285 INFO L87 Difference]: Start difference. First operand 685 states and 936 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:12,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:56:12,437 INFO L93 Difference]: Finished difference Result 1293 states and 1765 transitions. [2023-12-24 16:56:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:56:12,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2023-12-24 16:56:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:56:12,440 INFO L225 Difference]: With dead ends: 1293 [2023-12-24 16:56:12,440 INFO L226 Difference]: Without dead ends: 701 [2023-12-24 16:56:12,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-24 16:56:12,441 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 23 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 16:56:12,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 719 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 16:56:12,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2023-12-24 16:56:12,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 691. [2023-12-24 16:56:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 576 states have (on average 1.3298611111111112) internal successors, (766), 578 states have internal predecessors, (766), 88 states have call successors, (88), 26 states have call predecessors, (88), 26 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-24 16:56:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 942 transitions. [2023-12-24 16:56:12,495 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 942 transitions. Word has length 158 [2023-12-24 16:56:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:56:12,495 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 942 transitions. [2023-12-24 16:56:12,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 16:56:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 942 transitions. [2023-12-24 16:56:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-24 16:56:12,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:56:12,497 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:12,511 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 16:56:12,711 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 16:56:12,711 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:56:12,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:56:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash 343001311, now seen corresponding path program 1 times [2023-12-24 16:56:12,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:56:12,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248398014] [2023-12-24 16:56:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:56:12,713 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 16:56:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:56:12,714 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 16:56:12,715 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 (17)] Waiting until timeout for monitored process [2023-12-24 16:56:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:56:13,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-24 16:56:13,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:56:26,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:56:26,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:56:27,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-12-24 16:56:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-12-24 16:56:28,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:57:51,677 WARN L293 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 16:59:23,596 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 17:00:23,443 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 17:00:50,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:00:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248398014] [2023-12-24 17:00:50,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248398014] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 17:00:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1253153303] [2023-12-24 17:00:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:00:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 17:00:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 17:00:50,266 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 17:00:50,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-24 17:00:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:00:51,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 17:00:51,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:01:23,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2023-12-24 17:01:43,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2023-12-24 17:01:49,734 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_33 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_33) ((_ extract 30 23) v_arrayElimCell_33) ((_ extract 22 0) v_arrayElimCell_33)))) (and (= |c_ULTIMATE.start_property_#t~ite131#1| .cse0) (fp.leq |c_ULTIMATE.start_property_#t~mem133#1| (fp.mul c_currentRoundingMode .cse0 (let ((.cse1 (select (select |c_#memory_int#7| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))))) is different from true [2023-12-24 17:01:49,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2023-12-24 17:02:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-24 17:02:29,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:02:29,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1253153303] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:02:29,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 17:02:29,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 28 [2023-12-24 17:02:29,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719367689] [2023-12-24 17:02:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:02:29,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 17:02:29,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:02:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 17:02:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=4, NotChecked=60, Total=1056 [2023-12-24 17:02:29,159 INFO L87 Difference]: Start difference. First operand 691 states and 942 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 17:02:34,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:36,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:39,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:43,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:49,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:51,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:55,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:02:56,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:15,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:18,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:20,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:22,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:24,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:28,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:31,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:34,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:42,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:44,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:46,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:47,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:49,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:03:56,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:02,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:03,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:07,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:10,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:12,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:16,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:19,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:21,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:22,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:26,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:04:49,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:05:49,685 WARN L293 SmtUtils]: Spent 14.46s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 17:05:52,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:05:56,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 17:07:17,211 WARN L293 SmtUtils]: Spent 21.77s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 17:07:21,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:25,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:28,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:32,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:34,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:38,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:40,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:44,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:48,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:52,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:59,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 17:07:59,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:07:59,474 INFO L93 Difference]: Finished difference Result 1625 states and 2218 transitions. [2023-12-24 17:07:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 17:07:59,489 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 162 [2023-12-24 17:07:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:07:59,491 INFO L225 Difference]: With dead ends: 1625 [2023-12-24 17:07:59,491 INFO L226 Difference]: Without dead ends: 1027 [2023-12-24 17:07:59,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 330 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 469.8s TimeCoverageRelationStatistics Valid=133, Invalid=1047, Unknown=14, NotChecked=66, Total=1260 [2023-12-24 17:07:59,493 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 184 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 355 IncrementalHoareTripleChecker+Unchecked, 169.5s IncrementalHoareTripleChecker+Time [2023-12-24 17:07:59,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1367 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 6 Unknown, 355 Unchecked, 169.5s Time] [2023-12-24 17:07:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2023-12-24 17:07:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 793. [2023-12-24 17:07:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 678 states have (on average 1.3466076696165192) internal successors, (913), 680 states have internal predecessors, (913), 88 states have call successors, (88), 26 states have call predecessors, (88), 26 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-24 17:07:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1089 transitions. [2023-12-24 17:07:59,553 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1089 transitions. Word has length 162 [2023-12-24 17:07:59,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:07:59,554 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 1089 transitions. [2023-12-24 17:07:59,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-24 17:07:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1089 transitions. [2023-12-24 17:07:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-24 17:07:59,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:07:59,555 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:59,567 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 (17)] Ended with exit code 0 [2023-12-24 17:07:59,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-24 17:07:59,976 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=3,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-24 17:07:59,976 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:07:59,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:07:59,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1245346591, now seen corresponding path program 1 times [2023-12-24 17:07:59,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:07:59,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226683841] [2023-12-24 17:07:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:07:59,978 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 17:07:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:07:59,979 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 17:07:59,980 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 17:08:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:08:00,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-24 17:08:00,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-24 17:08:06,939 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 (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 17:08:06,978 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 17:08:06,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 17:08:07,011 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 17:08:07,199 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 17:08:07,200 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 163 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2023-12-24 17:08:07,203 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:08:07,206 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 17:08:07,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 05:08:07 BoogieIcfgContainer [2023-12-24 17:08:07,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 17:08:07,208 INFO L158 Benchmark]: Toolchain (without parser) took 882821.19ms. Allocated memory was 257.9MB in the beginning and 412.1MB in the end (delta: 154.1MB). Free memory was 205.9MB in the beginning and 216.7MB in the end (delta: -10.8MB). Peak memory consumption was 144.6MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,208 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 196.1MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 17:08:07,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.68ms. Allocated memory is still 257.9MB. Free memory was 205.6MB in the beginning and 188.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.50ms. Allocated memory is still 257.9MB. Free memory was 188.8MB in the beginning and 185.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,208 INFO L158 Benchmark]: Boogie Preprocessor took 99.37ms. Allocated memory is still 257.9MB. Free memory was 185.1MB in the beginning and 175.6MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,208 INFO L158 Benchmark]: RCFGBuilder took 2092.04ms. Allocated memory is still 257.9MB. Free memory was 175.6MB in the beginning and 177.1MB in the end (delta: -1.5MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,209 INFO L158 Benchmark]: TraceAbstraction took 880285.39ms. Allocated memory was 257.9MB in the beginning and 412.1MB in the end (delta: 154.1MB). Free memory was 176.5MB in the beginning and 216.7MB in the end (delta: -40.1MB). Peak memory consumption was 114.0MB. Max. memory is 8.0GB. [2023-12-24 17:08:07,209 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 196.1MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.68ms. Allocated memory is still 257.9MB. Free memory was 205.6MB in the beginning and 188.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.50ms. Allocated memory is still 257.9MB. Free memory was 188.8MB in the beginning and 185.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.37ms. Allocated memory is still 257.9MB. Free memory was 185.1MB in the beginning and 175.6MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2092.04ms. Allocated memory is still 257.9MB. Free memory was 175.6MB in the beginning and 177.1MB in the end (delta: -1.5MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. * TraceAbstraction took 880285.39ms. Allocated memory was 257.9MB in the beginning and 412.1MB in the end (delta: 154.1MB). Free memory was 176.5MB in the beginning and 216.7MB in the end (delta: -40.1MB). Peak memory consumption was 114.0MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 163 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 880.2s, OverallIterations: 16, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 358.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 5109 SdHoareTripleChecker+Valid, 192.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5107 mSDsluCounter, 14826 SdHoareTripleChecker+Invalid, 188.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 355 IncrementalHoareTripleChecker+Unchecked, 11466 mSDsCounter, 473 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3149 IncrementalHoareTripleChecker+Invalid, 3983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 473 mSolverCounterUnsat, 3360 mSDtfsCounter, 3149 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3726 GetRequests, 3485 SyntacticMatches, 5 SemanticMatches, 236 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 571.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=793occurred in iteration=15, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 1347 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 7.8s SatisfiabilityAnalysisTime, 498.9s InterpolantComputationTime, 2658 NumberOfCodeBlocks, 2658 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3567 ConstructedInterpolants, 298 QuantifiedInterpolants, 72675 SizeOfPredicates, 222 NumberOfNonLiveVariables, 7323 ConjunctsInSsa, 243 ConjunctsInUnsatCore, 23 InterpolantComputations, 12 PerfectInterpolantSequences, 11728/14076 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