/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 14:32:45,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 14:32:45,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 14:32:45,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 14:32:45,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 14:32:45,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 14:32:45,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 14:32:45,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 14:32:45,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 14:32:45,667 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 14:32:45,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 14:32:45,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 14:32:45,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 14:32:45,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 14:32:45,668 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 14:32:45,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 14:32:45,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 14:32:45,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 14:32:45,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 14:32:45,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 14:32:45,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 14:32:45,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 14:32:45,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 14:32:45,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 14:32:45,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 14:32:45,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 14:32:45,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 14:32:45,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 14:32:45,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 14:32:45,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 14:32:45,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 14:32:45,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 14:32:45,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 14:32:45,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 14:32:45,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 14:32:45,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 14:32:45,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 14:32:45,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 14:32:45,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 14:32:45,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 14:32:45,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 14:32:45,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 14:32:45,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 14:32:45,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 14:32:45,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 14:32:45,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 14:32:45,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 14:32:45,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 14:32:45,877 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 14:32:45,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-21 14:32:47,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 14:32:47,361 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 14:32:47,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-21 14:32:47,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7544033fb/b19921f1177245479c88b2899aaea853/FLAG4df26bf27 [2023-12-21 14:32:47,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7544033fb/b19921f1177245479c88b2899aaea853 [2023-12-21 14:32:47,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 14:32:47,410 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 14:32:47,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 14:32:47,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 14:32:47,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 14:32:47,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:32:47" (1/1) ... [2023-12-21 14:32:47,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2957b636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:47, skipping insertion in model container [2023-12-21 14:32:47,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:32:47" (1/1) ... [2023-12-21 14:32:47,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 14:32:48,088 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35167,35180] [2023-12-21 14:32:48,152 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36057,36070] [2023-12-21 14:32:48,186 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37945,37958] [2023-12-21 14:32:48,204 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38835,38848] [2023-12-21 14:32:48,238 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41666,41679] [2023-12-21 14:32:48,252 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42559,42572] [2023-12-21 14:32:48,276 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44450,44463] [2023-12-21 14:32:48,294 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45727,45740] [2023-12-21 14:32:48,473 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61515,61528] [2023-12-21 14:32:48,502 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62408,62421] [2023-12-21 14:32:48,523 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[64299,64312] [2023-12-21 14:32:48,569 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[68814,68827] [2023-12-21 14:32:48,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 14:32:48,703 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 14:32:48,872 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35167,35180] [2023-12-21 14:32:48,881 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36057,36070] [2023-12-21 14:32:48,902 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37945,37958] [2023-12-21 14:32:48,912 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38835,38848] [2023-12-21 14:32:48,933 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41666,41679] [2023-12-21 14:32:48,942 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42559,42572] [2023-12-21 14:32:48,960 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44450,44463] [2023-12-21 14:32:48,972 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45727,45740] [2023-12-21 14:32:49,053 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61515,61528] [2023-12-21 14:32:49,063 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62408,62421] [2023-12-21 14:32:49,077 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[64299,64312] [2023-12-21 14:32:49,109 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[68814,68827] [2023-12-21 14:32:49,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 14:32:49,197 INFO L206 MainTranslator]: Completed translation [2023-12-21 14:32:49,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49 WrapperNode [2023-12-21 14:32:49,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 14:32:49,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 14:32:49,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 14:32:49,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 14:32:49,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,350 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4356 [2023-12-21 14:32:49,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 14:32:49,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 14:32:49,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 14:32:49,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 14:32:49,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,496 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-21 14:32:49,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 14:32:49,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 14:32:49,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 14:32:49,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 14:32:49,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (1/1) ... [2023-12-21 14:32:49,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 14:32:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 14:32:49,701 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) [2023-12-21 14:32:49,736 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 [2023-12-21 14:32:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 14:32:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 14:32:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 14:32:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 14:32:49,908 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 14:32:49,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 14:32:51,773 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 14:32:51,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 14:32:51,823 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-21 14:32:51,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:32:51 BoogieIcfgContainer [2023-12-21 14:32:51,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 14:32:51,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 14:32:51,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 14:32:51,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 14:32:51,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:32:47" (1/3) ... [2023-12-21 14:32:51,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e5287f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:32:51, skipping insertion in model container [2023-12-21 14:32:51,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:32:49" (2/3) ... [2023-12-21 14:32:51,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e5287f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:32:51, skipping insertion in model container [2023-12-21 14:32:51,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:32:51" (3/3) ... [2023-12-21 14:32:51,830 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-21 14:32:51,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 14:32:51,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-12-21 14:32:51,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 14:32:51,912 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;@6def1790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 14:32:51,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-12-21 14:32:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 1020 states, 1007 states have (on average 1.8182720953326712) internal successors, (1831), 1019 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-21 14:32:51,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:51,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:51,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:51,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1594355061, now seen corresponding path program 1 times [2023-12-21 14:32:51,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:51,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239648680] [2023-12-21 14:32:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:52,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:52,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239648680] [2023-12-21 14:32:52,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239648680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:52,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:52,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:52,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139556867] [2023-12-21 14:32:52,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:52,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:52,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:52,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:52,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:52,643 INFO L87 Difference]: Start difference. First operand has 1020 states, 1007 states have (on average 1.8182720953326712) internal successors, (1831), 1019 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:52,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:52,837 INFO L93 Difference]: Finished difference Result 1783 states and 3172 transitions. [2023-12-21 14:32:52,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:52,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2023-12-21 14:32:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:52,861 INFO L225 Difference]: With dead ends: 1783 [2023-12-21 14:32:52,861 INFO L226 Difference]: Without dead ends: 1478 [2023-12-21 14:32:52,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:52,870 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 1002 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:52,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 3342 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:32:52,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2023-12-21 14:32:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1476. [2023-12-21 14:32:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1464 states have (on average 1.5423497267759563) internal successors, (2258), 1475 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2258 transitions. [2023-12-21 14:32:52,997 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2258 transitions. Word has length 322 [2023-12-21 14:32:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:52,998 INFO L495 AbstractCegarLoop]: Abstraction has 1476 states and 2258 transitions. [2023-12-21 14:32:52,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2258 transitions. [2023-12-21 14:32:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-21 14:32:53,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:53,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:53,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 14:32:53,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:53,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash -514950314, now seen corresponding path program 1 times [2023-12-21 14:32:53,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:53,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104537312] [2023-12-21 14:32:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:53,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:53,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104537312] [2023-12-21 14:32:53,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104537312] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:53,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:53,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:53,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204341420] [2023-12-21 14:32:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:53,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:53,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:53,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:53,291 INFO L87 Difference]: Start difference. First operand 1476 states and 2258 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:53,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:53,495 INFO L93 Difference]: Finished difference Result 2837 states and 4392 transitions. [2023-12-21 14:32:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2023-12-21 14:32:53,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:53,503 INFO L225 Difference]: With dead ends: 2837 [2023-12-21 14:32:53,504 INFO L226 Difference]: Without dead ends: 2396 [2023-12-21 14:32:53,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:53,507 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 827 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:53,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2880 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:32:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2023-12-21 14:32:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2394. [2023-12-21 14:32:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2382 states have (on average 1.5465994962216625) internal successors, (3684), 2393 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3684 transitions. [2023-12-21 14:32:53,561 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3684 transitions. Word has length 322 [2023-12-21 14:32:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:53,562 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3684 transitions. [2023-12-21 14:32:53,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3684 transitions. [2023-12-21 14:32:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-21 14:32:53,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:53,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 14:32:53,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:53,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:53,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1839726584, now seen corresponding path program 1 times [2023-12-21 14:32:53,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:53,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016006282] [2023-12-21 14:32:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:53,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:53,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016006282] [2023-12-21 14:32:53,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016006282] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:53,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413540291] [2023-12-21 14:32:53,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:53,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:53,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:53,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:53,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:53,803 INFO L87 Difference]: Start difference. First operand 2394 states and 3684 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:53,976 INFO L93 Difference]: Finished difference Result 4961 states and 7733 transitions. [2023-12-21 14:32:53,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2023-12-21 14:32:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:53,989 INFO L225 Difference]: With dead ends: 4961 [2023-12-21 14:32:53,989 INFO L226 Difference]: Without dead ends: 4236 [2023-12-21 14:32:53,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:53,993 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 847 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:53,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 2871 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:32:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2023-12-21 14:32:54,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4234. [2023-12-21 14:32:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 4222 states have (on average 1.5490288962576977) internal successors, (6540), 4233 states have internal predecessors, (6540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 6540 transitions. [2023-12-21 14:32:54,071 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 6540 transitions. Word has length 322 [2023-12-21 14:32:54,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:54,071 INFO L495 AbstractCegarLoop]: Abstraction has 4234 states and 6540 transitions. [2023-12-21 14:32:54,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 6540 transitions. [2023-12-21 14:32:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-21 14:32:54,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:54,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:54,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 14:32:54,079 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:54,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1124659043, now seen corresponding path program 1 times [2023-12-21 14:32:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330204871] [2023-12-21 14:32:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:54,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:54,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330204871] [2023-12-21 14:32:54,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330204871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:54,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:54,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:54,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858917626] [2023-12-21 14:32:54,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:54,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:54,326 INFO L87 Difference]: Start difference. First operand 4234 states and 6540 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:54,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:54,537 INFO L93 Difference]: Finished difference Result 9213 states and 14417 transitions. [2023-12-21 14:32:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:54,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2023-12-21 14:32:54,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:54,560 INFO L225 Difference]: With dead ends: 9213 [2023-12-21 14:32:54,560 INFO L226 Difference]: Without dead ends: 7924 [2023-12-21 14:32:54,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:54,568 INFO L413 NwaCegarLoop]: 1694 mSDtfsCounter, 898 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:54,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 2871 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 14:32:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7924 states. [2023-12-21 14:32:54,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7924 to 7922. [2023-12-21 14:32:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7922 states, 7910 states have (on average 1.5499367888748419) internal successors, (12260), 7921 states have internal predecessors, (12260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7922 states to 7922 states and 12260 transitions. [2023-12-21 14:32:54,799 INFO L78 Accepts]: Start accepts. Automaton has 7922 states and 12260 transitions. Word has length 322 [2023-12-21 14:32:54,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:54,800 INFO L495 AbstractCegarLoop]: Abstraction has 7922 states and 12260 transitions. [2023-12-21 14:32:54,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 7922 states and 12260 transitions. [2023-12-21 14:32:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-21 14:32:54,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:54,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:54,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 14:32:54,814 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:54,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:54,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1124228067, now seen corresponding path program 1 times [2023-12-21 14:32:54,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:54,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774474047] [2023-12-21 14:32:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:54,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:55,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774474047] [2023-12-21 14:32:55,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774474047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:55,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:55,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:55,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072526531] [2023-12-21 14:32:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:55,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 14:32:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:55,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 14:32:55,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 14:32:55,423 INFO L87 Difference]: Start difference. First operand 7922 states and 12260 transitions. Second operand has 4 states, 4 states have (on average 80.5) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:55,599 INFO L93 Difference]: Finished difference Result 23449 states and 36247 transitions. [2023-12-21 14:32:55,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 14:32:55,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2023-12-21 14:32:55,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:55,651 INFO L225 Difference]: With dead ends: 23449 [2023-12-21 14:32:55,652 INFO L226 Difference]: Without dead ends: 15537 [2023-12-21 14:32:55,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:32:55,666 INFO L413 NwaCegarLoop]: 2478 mSDtfsCounter, 3466 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 3945 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:55,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 3945 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:32:55,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15537 states. [2023-12-21 14:32:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15537 to 15318. [2023-12-21 14:32:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15318 states, 15306 states have (on average 1.5428590095387429) internal successors, (23615), 15317 states have internal predecessors, (23615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15318 states to 15318 states and 23615 transitions. [2023-12-21 14:32:55,949 INFO L78 Accepts]: Start accepts. Automaton has 15318 states and 23615 transitions. Word has length 322 [2023-12-21 14:32:55,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:55,950 INFO L495 AbstractCegarLoop]: Abstraction has 15318 states and 23615 transitions. [2023-12-21 14:32:55,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15318 states and 23615 transitions. [2023-12-21 14:32:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-21 14:32:55,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:55,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:55,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 14:32:55,969 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:55,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:55,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1293264039, now seen corresponding path program 1 times [2023-12-21 14:32:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:55,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897887466] [2023-12-21 14:32:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:56,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:56,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897887466] [2023-12-21 14:32:56,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897887466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:56,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:56,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:56,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255958695] [2023-12-21 14:32:56,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:56,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:56,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:56,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:56,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:56,223 INFO L87 Difference]: Start difference. First operand 15318 states and 23615 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:56,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:56,399 INFO L93 Difference]: Finished difference Result 45225 states and 69611 transitions. [2023-12-21 14:32:56,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:56,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2023-12-21 14:32:56,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:56,457 INFO L225 Difference]: With dead ends: 45225 [2023-12-21 14:32:56,457 INFO L226 Difference]: Without dead ends: 30031 [2023-12-21 14:32:56,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:56,484 INFO L413 NwaCegarLoop]: 3007 mSDtfsCounter, 1402 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:56,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 4484 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 14:32:56,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30031 states. [2023-12-21 14:32:56,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30031 to 29812. [2023-12-21 14:32:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29812 states, 29800 states have (on average 1.534496644295302) internal successors, (45728), 29811 states have internal predecessors, (45728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29812 states to 29812 states and 45728 transitions. [2023-12-21 14:32:56,958 INFO L78 Accepts]: Start accepts. Automaton has 29812 states and 45728 transitions. Word has length 324 [2023-12-21 14:32:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:56,959 INFO L495 AbstractCegarLoop]: Abstraction has 29812 states and 45728 transitions. [2023-12-21 14:32:56,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 29812 states and 45728 transitions. [2023-12-21 14:32:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-21 14:32:57,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:57,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:57,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 14:32:57,001 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:57,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash 812164532, now seen corresponding path program 1 times [2023-12-21 14:32:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:57,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070242614] [2023-12-21 14:32:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:57,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:57,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070242614] [2023-12-21 14:32:57,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070242614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:57,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:57,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:57,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938647435] [2023-12-21 14:32:57,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:57,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:57,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:57,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:57,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:57,109 INFO L87 Difference]: Start difference. First operand 29812 states and 45728 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:57,553 INFO L93 Difference]: Finished difference Result 89371 states and 137070 transitions. [2023-12-21 14:32:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:57,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2023-12-21 14:32:57,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:57,658 INFO L225 Difference]: With dead ends: 89371 [2023-12-21 14:32:57,659 INFO L226 Difference]: Without dead ends: 59596 [2023-12-21 14:32:57,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:57,709 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 1531 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 4597 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:57,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 4597 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:32:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59596 states. [2023-12-21 14:32:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59596 to 29831. [2023-12-21 14:32:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29831 states, 29819 states have (on average 1.5344578959723667) internal successors, (45756), 29830 states have internal predecessors, (45756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29831 states to 29831 states and 45756 transitions. [2023-12-21 14:32:58,652 INFO L78 Accepts]: Start accepts. Automaton has 29831 states and 45756 transitions. Word has length 324 [2023-12-21 14:32:58,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:32:58,652 INFO L495 AbstractCegarLoop]: Abstraction has 29831 states and 45756 transitions. [2023-12-21 14:32:58,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29831 states and 45756 transitions. [2023-12-21 14:32:58,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-12-21 14:32:58,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:32:58,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:32:58,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 14:32:58,693 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:32:58,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:32:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1755140177, now seen corresponding path program 1 times [2023-12-21 14:32:58,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:32:58,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149160111] [2023-12-21 14:32:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:32:58,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:32:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:32:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:32:58,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:32:58,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149160111] [2023-12-21 14:32:58,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149160111] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:32:58,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:32:58,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:32:58,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323801855] [2023-12-21 14:32:58,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:32:58,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:32:58,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:32:58,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:32:58,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:58,888 INFO L87 Difference]: Start difference. First operand 29831 states and 45756 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:32:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:32:59,093 INFO L93 Difference]: Finished difference Result 89390 states and 137091 transitions. [2023-12-21 14:32:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:32:59,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2023-12-21 14:32:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:32:59,202 INFO L225 Difference]: With dead ends: 89390 [2023-12-21 14:32:59,202 INFO L226 Difference]: Without dead ends: 59614 [2023-12-21 14:32:59,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:32:59,248 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 1526 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 4597 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 14:32:59,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 4597 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 14:32:59,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59614 states. [2023-12-21 14:32:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59614 to 29849. [2023-12-21 14:32:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29849 states, 29837 states have (on average 1.534236015685223) internal successors, (45777), 29848 states have internal predecessors, (45777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29849 states to 29849 states and 45777 transitions. [2023-12-21 14:33:00,021 INFO L78 Accepts]: Start accepts. Automaton has 29849 states and 45777 transitions. Word has length 325 [2023-12-21 14:33:00,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:00,021 INFO L495 AbstractCegarLoop]: Abstraction has 29849 states and 45777 transitions. [2023-12-21 14:33:00,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29849 states and 45777 transitions. [2023-12-21 14:33:00,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-21 14:33:00,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:00,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:00,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 14:33:00,045 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:00,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:00,046 INFO L85 PathProgramCache]: Analyzing trace with hash -377905954, now seen corresponding path program 1 times [2023-12-21 14:33:00,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:00,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260302086] [2023-12-21 14:33:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:00,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:00,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:00,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260302086] [2023-12-21 14:33:00,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260302086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:00,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:00,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:33:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810082360] [2023-12-21 14:33:00,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:00,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:33:00,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:00,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:33:00,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:33:00,448 INFO L87 Difference]: Start difference. First operand 29849 states and 45777 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:00,921 INFO L93 Difference]: Finished difference Result 84685 states and 129636 transitions. [2023-12-21 14:33:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:33:00,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2023-12-21 14:33:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:33:01,012 INFO L225 Difference]: With dead ends: 84685 [2023-12-21 14:33:01,012 INFO L226 Difference]: Without dead ends: 55076 [2023-12-21 14:33:01,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:33:01,035 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 1398 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:33:01,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 4150 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:33:01,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55076 states. [2023-12-21 14:33:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55076 to 54857. [2023-12-21 14:33:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54857 states, 54845 states have (on average 1.5238399124806272) internal successors, (83575), 54856 states have internal predecessors, (83575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54857 states to 54857 states and 83575 transitions. [2023-12-21 14:33:02,003 INFO L78 Accepts]: Start accepts. Automaton has 54857 states and 83575 transitions. Word has length 326 [2023-12-21 14:33:02,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:02,003 INFO L495 AbstractCegarLoop]: Abstraction has 54857 states and 83575 transitions. [2023-12-21 14:33:02,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 54857 states and 83575 transitions. [2023-12-21 14:33:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-21 14:33:02,092 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:02,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:02,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 14:33:02,093 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:02,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash -281959199, now seen corresponding path program 1 times [2023-12-21 14:33:02,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:02,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224842239] [2023-12-21 14:33:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:02,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:02,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224842239] [2023-12-21 14:33:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224842239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:02,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:02,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 14:33:02,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475890815] [2023-12-21 14:33:02,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:02,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 14:33:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 14:33:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:33:02,770 INFO L87 Difference]: Start difference. First operand 54857 states and 83575 transitions. Second operand has 5 states, 5 states have (on average 65.2) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:03,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:03,230 INFO L93 Difference]: Finished difference Result 161989 states and 246404 transitions. [2023-12-21 14:33:03,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 14:33:03,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 65.2) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2023-12-21 14:33:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:33:03,372 INFO L225 Difference]: With dead ends: 161989 [2023-12-21 14:33:03,372 INFO L226 Difference]: Without dead ends: 107186 [2023-12-21 14:33:03,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:33:03,436 INFO L413 NwaCegarLoop]: 2511 mSDtfsCounter, 2978 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2978 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:33:03,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2978 Valid, 5429 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:33:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107186 states. [2023-12-21 14:33:04,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107186 to 106995. [2023-12-21 14:33:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106995 states, 106983 states have (on average 1.513305852331679) internal successors, (161898), 106994 states have internal predecessors, (161898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106995 states to 106995 states and 161898 transitions. [2023-12-21 14:33:05,303 INFO L78 Accepts]: Start accepts. Automaton has 106995 states and 161898 transitions. Word has length 326 [2023-12-21 14:33:05,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:05,303 INFO L495 AbstractCegarLoop]: Abstraction has 106995 states and 161898 transitions. [2023-12-21 14:33:05,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.2) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 106995 states and 161898 transitions. [2023-12-21 14:33:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-12-21 14:33:05,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:05,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:05,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 14:33:05,397 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:05,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:05,397 INFO L85 PathProgramCache]: Analyzing trace with hash -17677118, now seen corresponding path program 1 times [2023-12-21 14:33:05,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:05,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699010191] [2023-12-21 14:33:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:05,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699010191] [2023-12-21 14:33:06,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699010191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:06,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:06,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 14:33:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946705032] [2023-12-21 14:33:06,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:06,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 14:33:06,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:06,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 14:33:06,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:33:06,007 INFO L87 Difference]: Start difference. First operand 106995 states and 161898 transitions. Second operand has 5 states, 5 states have (on average 65.6) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:07,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:07,033 INFO L93 Difference]: Finished difference Result 315968 states and 477269 transitions. [2023-12-21 14:33:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 14:33:07,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 65.6) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2023-12-21 14:33:07,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:33:07,400 INFO L225 Difference]: With dead ends: 315968 [2023-12-21 14:33:07,400 INFO L226 Difference]: Without dead ends: 209089 [2023-12-21 14:33:07,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:33:07,556 INFO L413 NwaCegarLoop]: 2474 mSDtfsCounter, 4343 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4343 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 14:33:07,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4343 Valid, 3917 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 14:33:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209089 states. [2023-12-21 14:33:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209089 to 208978. [2023-12-21 14:33:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208978 states, 208966 states have (on average 1.5021630313065284) internal successors, (313901), 208977 states have internal predecessors, (313901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208978 states to 208978 states and 313901 transitions. [2023-12-21 14:33:11,323 INFO L78 Accepts]: Start accepts. Automaton has 208978 states and 313901 transitions. Word has length 328 [2023-12-21 14:33:11,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:11,324 INFO L495 AbstractCegarLoop]: Abstraction has 208978 states and 313901 transitions. [2023-12-21 14:33:11,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.6) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 208978 states and 313901 transitions. [2023-12-21 14:33:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-12-21 14:33:11,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:11,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:11,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-21 14:33:11,962 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:11,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1441933697, now seen corresponding path program 1 times [2023-12-21 14:33:11,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:11,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341497821] [2023-12-21 14:33:11,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:12,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:12,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341497821] [2023-12-21 14:33:12,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341497821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:12,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:12,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:33:12,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142493483] [2023-12-21 14:33:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:12,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 14:33:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 14:33:12,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 14:33:12,371 INFO L87 Difference]: Start difference. First operand 208978 states and 313901 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:14,686 INFO L93 Difference]: Finished difference Result 617542 states and 926046 transitions. [2023-12-21 14:33:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 14:33:14,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2023-12-21 14:33:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:33:15,361 INFO L225 Difference]: With dead ends: 617542 [2023-12-21 14:33:15,361 INFO L226 Difference]: Without dead ends: 408793 [2023-12-21 14:33:15,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 14:33:15,461 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 3307 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3307 SdHoareTripleChecker+Valid, 4036 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 14:33:15,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3307 Valid, 4036 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 14:33:15,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408793 states. [2023-12-21 14:33:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408793 to 408426. [2023-12-21 14:33:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408426 states, 408414 states have (on average 1.4910776809805737) internal successors, (608977), 408425 states have internal predecessors, (608977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408426 states to 408426 states and 608977 transitions. [2023-12-21 14:33:23,597 INFO L78 Accepts]: Start accepts. Automaton has 408426 states and 608977 transitions. Word has length 328 [2023-12-21 14:33:23,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:23,597 INFO L495 AbstractCegarLoop]: Abstraction has 408426 states and 608977 transitions. [2023-12-21 14:33:23,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 408426 states and 608977 transitions. [2023-12-21 14:33:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-12-21 14:33:23,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:23,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:23,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 14:33:23,930 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:23,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1234574430, now seen corresponding path program 1 times [2023-12-21 14:33:23,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:23,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548631188] [2023-12-21 14:33:23,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:23,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:24,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:24,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548631188] [2023-12-21 14:33:24,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548631188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:24,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:24,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:33:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679304652] [2023-12-21 14:33:24,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:24,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:33:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:33:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:33:24,041 INFO L87 Difference]: Start difference. First operand 408426 states and 608977 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:28,609 INFO L93 Difference]: Finished difference Result 1205928 states and 1794621 transitions. [2023-12-21 14:33:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:33:28,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2023-12-21 14:33:28,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:33:30,705 INFO L225 Difference]: With dead ends: 1205928 [2023-12-21 14:33:30,705 INFO L226 Difference]: Without dead ends: 798881 [2023-12-21 14:33:31,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:33:31,643 INFO L413 NwaCegarLoop]: 2970 mSDtfsCounter, 1378 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 4451 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 14:33:31,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 4451 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 14:33:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798881 states. [2023-12-21 14:33:43,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798881 to 798514. [2023-12-21 14:33:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798514 states, 798502 states have (on average 1.479569243408282) internal successors, (1181439), 798513 states have internal predecessors, (1181439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798514 states to 798514 states and 1181439 transitions. [2023-12-21 14:33:47,246 INFO L78 Accepts]: Start accepts. Automaton has 798514 states and 1181439 transitions. Word has length 330 [2023-12-21 14:33:47,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:33:47,247 INFO L495 AbstractCegarLoop]: Abstraction has 798514 states and 1181439 transitions. [2023-12-21 14:33:47,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 798514 states and 1181439 transitions. [2023-12-21 14:33:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-12-21 14:33:48,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:33:48,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:33:48,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 14:33:48,324 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:33:48,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:33:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1396308231, now seen corresponding path program 1 times [2023-12-21 14:33:48,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:33:48,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582018841] [2023-12-21 14:33:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:33:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:33:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:33:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:33:48,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:33:48,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582018841] [2023-12-21 14:33:48,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582018841] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:33:48,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:33:48,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:33:48,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368229244] [2023-12-21 14:33:48,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:33:48,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:33:48,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:33:48,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:33:48,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:33:48,522 INFO L87 Difference]: Start difference. First operand 798514 states and 1181439 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:33:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 14:33:58,422 INFO L93 Difference]: Finished difference Result 2394420 states and 3542495 transitions. [2023-12-21 14:33:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 14:33:58,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2023-12-21 14:33:58,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 14:34:01,816 INFO L225 Difference]: With dead ends: 2394420 [2023-12-21 14:34:01,817 INFO L226 Difference]: Without dead ends: 1596567 [2023-12-21 14:34:02,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:34:02,784 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 1498 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 4564 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 14:34:02,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 4564 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 14:34:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596567 states. [2023-12-21 14:34:23,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596567 to 798724. [2023-12-21 14:34:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798724 states, 798712 states have (on average 1.4795708590831238) internal successors, (1181751), 798723 states have internal predecessors, (1181751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:34:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798724 states to 798724 states and 1181751 transitions. [2023-12-21 14:34:28,496 INFO L78 Accepts]: Start accepts. Automaton has 798724 states and 1181751 transitions. Word has length 330 [2023-12-21 14:34:28,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 14:34:28,497 INFO L495 AbstractCegarLoop]: Abstraction has 798724 states and 1181751 transitions. [2023-12-21 14:34:28,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 14:34:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 798724 states and 1181751 transitions. [2023-12-21 14:34:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-12-21 14:34:29,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 14:34:29,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 14:34:29,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 14:34:29,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2023-12-21 14:34:29,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 14:34:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash -137072752, now seen corresponding path program 1 times [2023-12-21 14:34:29,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 14:34:29,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449677363] [2023-12-21 14:34:29,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 14:34:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 14:34:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 14:34:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 14:34:29,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 14:34:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449677363] [2023-12-21 14:34:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449677363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 14:34:29,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 14:34:29,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 14:34:29,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167234982] [2023-12-21 14:34:29,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 14:34:29,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 14:34:29,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 14:34:29,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 14:34:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 14:34:29,978 INFO L87 Difference]: Start difference. First operand 798724 states and 1181751 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)