/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:01:24,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:01:24,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:01:24,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:01:24,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:01:24,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:01:24,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:01:24,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:01:24,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:01:24,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:01:24,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:01:24,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:01:24,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:01:24,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:01:24,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:01:24,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:01:24,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:01:24,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:01:24,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:01:24,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:01:24,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:01:24,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:01:24,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:01:24,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:01:24,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 11:01:24,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:01:24,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:01:24,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:01:24,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 11:01:24,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:01:24,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:01:24,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:01:24,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:01:24,961 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:01:24,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:01:24,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:01:24,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:01:24,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:01:24,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:01:24,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:01:24,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:01:24,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:01:24,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:01:24,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:01:24,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:01:24,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:01:24,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:01:24,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:01:24,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:01:24,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:01:24,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:01:24,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:01:24,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:01:24,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:01:24,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:01:25,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:01:25,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:01:25,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:01:25,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:01:25,435 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:01:25,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2020-12-23 11:01:25,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/19788dac1/90449fc2fbcf4b07a6d00a9d36c4f287/FLAG1e79e3a1e [2020-12-23 11:01:26,228 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:01:26,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2020-12-23 11:01:26,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/19788dac1/90449fc2fbcf4b07a6d00a9d36c4f287/FLAG1e79e3a1e [2020-12-23 11:01:26,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/19788dac1/90449fc2fbcf4b07a6d00a9d36c4f287 [2020-12-23 11:01:26,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:01:26,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:01:26,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:01:26,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:01:26,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:01:26,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:01:26" (1/1) ... [2020-12-23 11:01:26,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66493b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:26, skipping insertion in model container [2020-12-23 11:01:26,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:01:26" (1/1) ... [2020-12-23 11:01:26,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:01:26,620 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_94~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_412~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1163~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1164_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 11:01:26,866 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[5793,5806] left hand side expression in assignment: lhs: VariableLHS[~__tmp_795_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_949_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_744_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_983_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_398~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_983_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_1054~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:01:26,921 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8778,8791] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_854_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_649_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_384~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~3,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_949_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_962~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:01:26,977 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[11837,11850] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_588_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_813_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_370~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~4,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_813_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_854_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_870~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:01:27,034 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[14724,14737] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_504_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~5,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_356~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~5,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~5,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~6,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~6,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_744_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_786~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] [2020-12-23 11:01:27,058 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[17939,17952] left hand side expression in assignment: lhs: VariableLHS[~__tmp_795_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_544_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_600_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_637_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_342~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~6,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~6,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_637_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~7,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~7,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_649_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_694~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] [2020-12-23 11:01:27,084 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[21031,21044] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_516_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~9,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_328~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~7,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~7,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~8,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~8,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_588_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~10,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~10,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_600_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_616~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] [2020-12-23 11:01:27,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[24082,24095] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_492_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_314~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~8,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~8,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_492_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~9,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~9,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_504_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~11,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~11,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_516_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_535~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_544_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~9,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~9,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~9,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~10,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~10,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~12,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~12,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_1310~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1164_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__return_1176~0,GLOBAL] [2020-12-23 11:01:27,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:01:27,259 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_94~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_412~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1163~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1164_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 11:01:27,343 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[5793,5806] left hand side expression in assignment: lhs: VariableLHS[~__tmp_795_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_949_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_744_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_983_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_398~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_983_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_1054~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:01:27,372 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8778,8791] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_854_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_649_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_384~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~3,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_949_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_962~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:01:27,421 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[11837,11850] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_588_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_813_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_370~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~4,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_813_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_854_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_870~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:01:27,456 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[14724,14737] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_504_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~5,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_356~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~5,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~5,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~6,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~6,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_744_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_786~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] [2020-12-23 11:01:27,509 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[17939,17952] left hand side expression in assignment: lhs: VariableLHS[~__tmp_795_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_544_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_600_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_637_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_342~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~6,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~6,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_637_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~7,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~7,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_649_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_694~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] [2020-12-23 11:01:27,531 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[21031,21044] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_516_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~9,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_328~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~7,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~7,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~8,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~8,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_588_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~10,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~10,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_600_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_616~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] [2020-12-23 11:01:27,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[24082,24095] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_492_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_314~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~8,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~8,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_492_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~9,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~9,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_504_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~11,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~11,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_516_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_535~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_544_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~9,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~9,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~9,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~10,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~10,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~12,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~12,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_1310~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1164_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__return_1176~0,GLOBAL] [2020-12-23 11:01:27,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:01:27,627 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:01:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27 WrapperNode [2020-12-23 11:01:27,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:01:27,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:01:27,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:01:27,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:01:27,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:01:27,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:01:27,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:01:27,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:01:27,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... [2020-12-23 11:01:27,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:01:27,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:01:27,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:01:27,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:01:27,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:01:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:01:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:01:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:01:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:01:29,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:01:29,243 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 11:01:29,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:01:29 BoogieIcfgContainer [2020-12-23 11:01:29,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:01:29,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:01:29,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:01:29,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:01:29,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:01:26" (1/3) ... [2020-12-23 11:01:29,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2920b5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:01:29, skipping insertion in model container [2020-12-23 11:01:29,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:01:27" (2/3) ... [2020-12-23 11:01:29,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2920b5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:01:29, skipping insertion in model container [2020-12-23 11:01:29,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:01:29" (3/3) ... [2020-12-23 11:01:29,255 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2020-12-23 11:01:29,262 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:01:29,273 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-23 11:01:29,293 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-23 11:01:29,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:01:29,325 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:01:29,325 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:01:29,325 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:01:29,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:01:29,326 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:01:29,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:01:29,326 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:01:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-12-23 11:01:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 11:01:29,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:29,365 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:29,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:29,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:29,373 INFO L82 PathProgramCache]: Analyzing trace with hash -506083603, now seen corresponding path program 1 times [2020-12-23 11:01:29,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:29,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62840855] [2020-12-23 11:01:29,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:29,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:29,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62840855] [2020-12-23 11:01:29,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:29,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:01:29,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012565354] [2020-12-23 11:01:29,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:01:29,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:29,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:01:29,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:01:29,862 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 5 states. [2020-12-23 11:01:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:30,215 INFO L93 Difference]: Finished difference Result 392 states and 660 transitions. [2020-12-23 11:01:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:01:30,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 11:01:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:30,233 INFO L225 Difference]: With dead ends: 392 [2020-12-23 11:01:30,233 INFO L226 Difference]: Without dead ends: 244 [2020-12-23 11:01:30,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:01:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-12-23 11:01:30,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2020-12-23 11:01:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-23 11:01:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 300 transitions. [2020-12-23 11:01:30,316 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 300 transitions. Word has length 48 [2020-12-23 11:01:30,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:30,317 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 300 transitions. [2020-12-23 11:01:30,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:01:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 300 transitions. [2020-12-23 11:01:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 11:01:30,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:30,321 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:30,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:01:30,321 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:30,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1206513712, now seen corresponding path program 1 times [2020-12-23 11:01:30,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:30,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275573170] [2020-12-23 11:01:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:30,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275573170] [2020-12-23 11:01:30,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:30,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:01:30,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74306934] [2020-12-23 11:01:30,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:01:30,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:30,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:01:30,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:01:30,559 INFO L87 Difference]: Start difference. First operand 244 states and 300 transitions. Second operand 5 states. [2020-12-23 11:01:30,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:30,747 INFO L93 Difference]: Finished difference Result 312 states and 387 transitions. [2020-12-23 11:01:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:01:30,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 11:01:30,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:30,750 INFO L225 Difference]: With dead ends: 312 [2020-12-23 11:01:30,750 INFO L226 Difference]: Without dead ends: 186 [2020-12-23 11:01:30,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:01:30,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-12-23 11:01:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-12-23 11:01:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-23 11:01:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 227 transitions. [2020-12-23 11:01:30,774 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 227 transitions. Word has length 48 [2020-12-23 11:01:30,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:30,775 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 227 transitions. [2020-12-23 11:01:30,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:01:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2020-12-23 11:01:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 11:01:30,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:30,778 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:30,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:01:30,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:30,779 INFO L82 PathProgramCache]: Analyzing trace with hash 731649800, now seen corresponding path program 1 times [2020-12-23 11:01:30,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:30,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642532209] [2020-12-23 11:01:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:30,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642532209] [2020-12-23 11:01:30,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:30,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:01:30,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695001932] [2020-12-23 11:01:30,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:01:30,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:30,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:01:30,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:01:30,907 INFO L87 Difference]: Start difference. First operand 186 states and 227 transitions. Second operand 5 states. [2020-12-23 11:01:31,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:31,068 INFO L93 Difference]: Finished difference Result 266 states and 332 transitions. [2020-12-23 11:01:31,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:01:31,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 11:01:31,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:31,071 INFO L225 Difference]: With dead ends: 266 [2020-12-23 11:01:31,071 INFO L226 Difference]: Without dead ends: 163 [2020-12-23 11:01:31,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:01:31,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-12-23 11:01:31,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-12-23 11:01:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:01:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2020-12-23 11:01:31,092 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 48 [2020-12-23 11:01:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:31,093 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2020-12-23 11:01:31,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:01:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2020-12-23 11:01:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 11:01:31,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:31,095 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:31,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:01:31,096 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:31,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:31,097 INFO L82 PathProgramCache]: Analyzing trace with hash 613838546, now seen corresponding path program 1 times [2020-12-23 11:01:31,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:31,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577731258] [2020-12-23 11:01:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:31,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577731258] [2020-12-23 11:01:31,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:31,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:01:31,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973291198] [2020-12-23 11:01:31,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:01:31,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:31,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:01:31,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:01:31,374 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand 8 states. [2020-12-23 11:01:31,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:31,771 INFO L93 Difference]: Finished difference Result 326 states and 405 transitions. [2020-12-23 11:01:31,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:01:31,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-12-23 11:01:31,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:31,774 INFO L225 Difference]: With dead ends: 326 [2020-12-23 11:01:31,774 INFO L226 Difference]: Without dead ends: 239 [2020-12-23 11:01:31,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:01:31,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-23 11:01:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 163. [2020-12-23 11:01:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:01:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2020-12-23 11:01:31,797 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 50 [2020-12-23 11:01:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:31,797 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2020-12-23 11:01:31,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:01:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2020-12-23 11:01:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 11:01:31,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:31,800 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:31,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 11:01:31,800 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:31,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:31,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1717096174, now seen corresponding path program 1 times [2020-12-23 11:01:31,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:31,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393961819] [2020-12-23 11:01:31,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:31,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393961819] [2020-12-23 11:01:31,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:31,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:01:31,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759650425] [2020-12-23 11:01:31,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:01:31,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:31,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:01:31,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:31,951 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand 9 states. [2020-12-23 11:01:32,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:32,693 INFO L93 Difference]: Finished difference Result 343 states and 441 transitions. [2020-12-23 11:01:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:01:32,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-12-23 11:01:32,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:32,696 INFO L225 Difference]: With dead ends: 343 [2020-12-23 11:01:32,696 INFO L226 Difference]: Without dead ends: 337 [2020-12-23 11:01:32,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:01:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-12-23 11:01:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 163. [2020-12-23 11:01:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:01:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2020-12-23 11:01:32,724 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 50 [2020-12-23 11:01:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:32,725 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2020-12-23 11:01:32,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:01:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2020-12-23 11:01:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 11:01:32,731 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:32,731 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:32,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 11:01:32,732 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:32,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1648014290, now seen corresponding path program 1 times [2020-12-23 11:01:32,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:32,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382295394] [2020-12-23 11:01:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:32,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382295394] [2020-12-23 11:01:32,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:32,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:01:32,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233508354] [2020-12-23 11:01:32,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:01:32,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:32,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:01:32,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:32,942 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand 9 states. [2020-12-23 11:01:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:33,583 INFO L93 Difference]: Finished difference Result 403 states and 525 transitions. [2020-12-23 11:01:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:01:33,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-12-23 11:01:33,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:33,586 INFO L225 Difference]: With dead ends: 403 [2020-12-23 11:01:33,586 INFO L226 Difference]: Without dead ends: 341 [2020-12-23 11:01:33,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:01:33,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-12-23 11:01:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 163. [2020-12-23 11:01:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:01:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-12-23 11:01:33,605 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 50 [2020-12-23 11:01:33,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:33,605 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-12-23 11:01:33,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:01:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-12-23 11:01:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 11:01:33,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:33,607 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:33,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 11:01:33,607 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1708755507, now seen corresponding path program 1 times [2020-12-23 11:01:33,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:33,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952418879] [2020-12-23 11:01:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:33,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952418879] [2020-12-23 11:01:33,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:33,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 11:01:33,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993873630] [2020-12-23 11:01:33,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:01:33,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:33,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:01:33,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:01:33,990 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 12 states. [2020-12-23 11:01:34,482 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2020-12-23 11:01:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:35,021 INFO L93 Difference]: Finished difference Result 486 states and 647 transitions. [2020-12-23 11:01:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:01:35,022 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2020-12-23 11:01:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:35,025 INFO L225 Difference]: With dead ends: 486 [2020-12-23 11:01:35,026 INFO L226 Difference]: Without dead ends: 431 [2020-12-23 11:01:35,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:01:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-12-23 11:01:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 151. [2020-12-23 11:01:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-23 11:01:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 182 transitions. [2020-12-23 11:01:35,053 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 182 transitions. Word has length 51 [2020-12-23 11:01:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:35,054 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 182 transitions. [2020-12-23 11:01:35,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:01:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-12-23 11:01:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:01:35,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:35,057 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:35,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 11:01:35,057 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:35,059 INFO L82 PathProgramCache]: Analyzing trace with hash 871420535, now seen corresponding path program 1 times [2020-12-23 11:01:35,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:35,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610269149] [2020-12-23 11:01:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:35,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610269149] [2020-12-23 11:01:35,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:35,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:01:35,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800412008] [2020-12-23 11:01:35,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:01:35,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:01:35,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:01:35,786 INFO L87 Difference]: Start difference. First operand 151 states and 182 transitions. Second operand 19 states. [2020-12-23 11:01:35,986 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-12-23 11:01:36,507 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-23 11:01:38,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:38,077 INFO L93 Difference]: Finished difference Result 405 states and 503 transitions. [2020-12-23 11:01:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:01:38,078 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2020-12-23 11:01:38,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:38,080 INFO L225 Difference]: With dead ends: 405 [2020-12-23 11:01:38,080 INFO L226 Difference]: Without dead ends: 401 [2020-12-23 11:01:38,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=202, Invalid=920, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 11:01:38,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-12-23 11:01:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 162. [2020-12-23 11:01:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 11:01:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 198 transitions. [2020-12-23 11:01:38,113 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 198 transitions. Word has length 52 [2020-12-23 11:01:38,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:38,113 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 198 transitions. [2020-12-23 11:01:38,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:01:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2020-12-23 11:01:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:01:38,114 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:38,114 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:38,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 11:01:38,115 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:38,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1375412663, now seen corresponding path program 1 times [2020-12-23 11:01:38,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:38,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818821309] [2020-12-23 11:01:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:38,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818821309] [2020-12-23 11:01:38,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:38,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:01:38,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485970795] [2020-12-23 11:01:38,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:01:38,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:38,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:01:38,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:01:38,695 INFO L87 Difference]: Start difference. First operand 162 states and 198 transitions. Second operand 19 states. [2020-12-23 11:01:38,902 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-12-23 11:01:39,458 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-12-23 11:01:39,991 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-23 11:01:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:41,102 INFO L93 Difference]: Finished difference Result 440 states and 558 transitions. [2020-12-23 11:01:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:01:41,102 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2020-12-23 11:01:41,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:41,105 INFO L225 Difference]: With dead ends: 440 [2020-12-23 11:01:41,105 INFO L226 Difference]: Without dead ends: 393 [2020-12-23 11:01:41,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=239, Invalid=883, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 11:01:41,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-12-23 11:01:41,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 169. [2020-12-23 11:01:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-23 11:01:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2020-12-23 11:01:41,133 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 52 [2020-12-23 11:01:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:41,133 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2020-12-23 11:01:41,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:01:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2020-12-23 11:01:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 11:01:41,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:41,134 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:41,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 11:01:41,135 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:41,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:41,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1993375358, now seen corresponding path program 1 times [2020-12-23 11:01:41,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:41,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134696152] [2020-12-23 11:01:41,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:41,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134696152] [2020-12-23 11:01:41,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:41,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 11:01:41,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927274406] [2020-12-23 11:01:41,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:01:41,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:41,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:01:41,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:01:41,538 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand 12 states. [2020-12-23 11:01:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:42,489 INFO L93 Difference]: Finished difference Result 303 states and 380 transitions. [2020-12-23 11:01:42,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:01:42,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-12-23 11:01:42,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:42,491 INFO L225 Difference]: With dead ends: 303 [2020-12-23 11:01:42,491 INFO L226 Difference]: Without dead ends: 256 [2020-12-23 11:01:42,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:01:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-12-23 11:01:42,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 158. [2020-12-23 11:01:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-23 11:01:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 193 transitions. [2020-12-23 11:01:42,535 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 193 transitions. Word has length 53 [2020-12-23 11:01:42,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:42,536 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 193 transitions. [2020-12-23 11:01:42,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:01:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2020-12-23 11:01:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 11:01:42,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:42,537 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:42,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:01:42,537 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:42,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1081508648, now seen corresponding path program 1 times [2020-12-23 11:01:42,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:42,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485946525] [2020-12-23 11:01:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:43,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485946525] [2020-12-23 11:01:43,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:43,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-23 11:01:43,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601154262] [2020-12-23 11:01:43,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 11:01:43,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:43,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 11:01:43,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-12-23 11:01:43,242 INFO L87 Difference]: Start difference. First operand 158 states and 193 transitions. Second operand 16 states. [2020-12-23 11:01:43,806 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:01:44,024 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-12-23 11:01:44,213 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-23 11:01:44,388 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-23 11:01:44,606 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-23 11:01:44,928 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-23 11:01:45,258 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-23 11:01:46,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:46,928 INFO L93 Difference]: Finished difference Result 737 states and 978 transitions. [2020-12-23 11:01:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 11:01:46,928 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 53 [2020-12-23 11:01:46,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:46,933 INFO L225 Difference]: With dead ends: 737 [2020-12-23 11:01:46,933 INFO L226 Difference]: Without dead ends: 720 [2020-12-23 11:01:46,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 11:01:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-12-23 11:01:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 150. [2020-12-23 11:01:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:01:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 182 transitions. [2020-12-23 11:01:46,966 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 182 transitions. Word has length 53 [2020-12-23 11:01:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:46,967 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 182 transitions. [2020-12-23 11:01:46,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 11:01:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 182 transitions. [2020-12-23 11:01:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 11:01:46,968 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:46,968 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:46,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:01:46,968 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:46,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:46,969 INFO L82 PathProgramCache]: Analyzing trace with hash -895336457, now seen corresponding path program 1 times [2020-12-23 11:01:46,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:46,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715105086] [2020-12-23 11:01:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:47,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715105086] [2020-12-23 11:01:47,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:47,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:01:47,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033876184] [2020-12-23 11:01:47,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:01:47,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:47,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:01:47,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:47,142 INFO L87 Difference]: Start difference. First operand 150 states and 182 transitions. Second operand 9 states. [2020-12-23 11:01:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:47,651 INFO L93 Difference]: Finished difference Result 240 states and 294 transitions. [2020-12-23 11:01:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 11:01:47,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-12-23 11:01:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:47,653 INFO L225 Difference]: With dead ends: 240 [2020-12-23 11:01:47,654 INFO L226 Difference]: Without dead ends: 232 [2020-12-23 11:01:47,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:01:47,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-23 11:01:47,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 150. [2020-12-23 11:01:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:01:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 181 transitions. [2020-12-23 11:01:47,683 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 181 transitions. Word has length 54 [2020-12-23 11:01:47,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:47,683 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 181 transitions. [2020-12-23 11:01:47,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:01:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2020-12-23 11:01:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 11:01:47,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:47,684 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:47,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 11:01:47,685 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:47,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:47,685 INFO L82 PathProgramCache]: Analyzing trace with hash 4832631, now seen corresponding path program 1 times [2020-12-23 11:01:47,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:47,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805174600] [2020-12-23 11:01:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:47,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805174600] [2020-12-23 11:01:47,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:47,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:01:47,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984302411] [2020-12-23 11:01:47,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:01:47,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:47,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:01:47,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:01:47,832 INFO L87 Difference]: Start difference. First operand 150 states and 181 transitions. Second operand 10 states. [2020-12-23 11:01:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:49,255 INFO L93 Difference]: Finished difference Result 455 states and 600 transitions. [2020-12-23 11:01:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:01:49,255 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-12-23 11:01:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:49,258 INFO L225 Difference]: With dead ends: 455 [2020-12-23 11:01:49,258 INFO L226 Difference]: Without dead ends: 392 [2020-12-23 11:01:49,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:01:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-12-23 11:01:49,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 150. [2020-12-23 11:01:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:01:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 180 transitions. [2020-12-23 11:01:49,289 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 180 transitions. Word has length 54 [2020-12-23 11:01:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:49,290 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 180 transitions. [2020-12-23 11:01:49,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:01:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 180 transitions. [2020-12-23 11:01:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 11:01:49,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:49,290 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:49,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 11:01:49,291 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:49,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:49,291 INFO L82 PathProgramCache]: Analyzing trace with hash -924533993, now seen corresponding path program 1 times [2020-12-23 11:01:49,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:49,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109916504] [2020-12-23 11:01:49,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:49,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109916504] [2020-12-23 11:01:49,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:49,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:01:49,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875540855] [2020-12-23 11:01:49,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:01:49,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:49,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:01:49,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:01:49,493 INFO L87 Difference]: Start difference. First operand 150 states and 180 transitions. Second operand 11 states. [2020-12-23 11:01:51,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:51,178 INFO L93 Difference]: Finished difference Result 403 states and 518 transitions. [2020-12-23 11:01:51,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:01:51,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-12-23 11:01:51,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:51,182 INFO L225 Difference]: With dead ends: 403 [2020-12-23 11:01:51,182 INFO L226 Difference]: Without dead ends: 395 [2020-12-23 11:01:51,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=266, Invalid=726, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:01:51,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-12-23 11:01:51,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 155. [2020-12-23 11:01:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-23 11:01:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2020-12-23 11:01:51,228 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 54 [2020-12-23 11:01:51,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:51,233 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2020-12-23 11:01:51,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:01:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2020-12-23 11:01:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 11:01:51,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:51,234 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:51,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 11:01:51,235 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:51,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:51,235 INFO L82 PathProgramCache]: Analyzing trace with hash 232129054, now seen corresponding path program 1 times [2020-12-23 11:01:51,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:51,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701177951] [2020-12-23 11:01:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:51,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701177951] [2020-12-23 11:01:51,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:51,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:01:51,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461604507] [2020-12-23 11:01:51,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:01:51,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:51,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:01:51,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:51,384 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 9 states. [2020-12-23 11:01:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:51,901 INFO L93 Difference]: Finished difference Result 240 states and 291 transitions. [2020-12-23 11:01:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:01:51,902 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-12-23 11:01:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:51,903 INFO L225 Difference]: With dead ends: 240 [2020-12-23 11:01:51,904 INFO L226 Difference]: Without dead ends: 232 [2020-12-23 11:01:51,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:01:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-23 11:01:51,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 150. [2020-12-23 11:01:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:01:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-12-23 11:01:51,944 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 55 [2020-12-23 11:01:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:51,944 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-12-23 11:01:51,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:01:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-12-23 11:01:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 11:01:51,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:51,945 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:51,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 11:01:51,945 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:51,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:51,946 INFO L82 PathProgramCache]: Analyzing trace with hash 140596120, now seen corresponding path program 1 times [2020-12-23 11:01:51,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:51,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100656696] [2020-12-23 11:01:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:52,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100656696] [2020-12-23 11:01:52,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:52,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:01:52,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527925134] [2020-12-23 11:01:52,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:01:52,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:52,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:01:52,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:52,061 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 9 states. [2020-12-23 11:01:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:52,594 INFO L93 Difference]: Finished difference Result 279 states and 352 transitions. [2020-12-23 11:01:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:01:52,594 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-12-23 11:01:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:52,595 INFO L225 Difference]: With dead ends: 279 [2020-12-23 11:01:52,595 INFO L226 Difference]: Without dead ends: 216 [2020-12-23 11:01:52,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:01:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-12-23 11:01:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 150. [2020-12-23 11:01:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:01:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 178 transitions. [2020-12-23 11:01:52,627 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 178 transitions. Word has length 55 [2020-12-23 11:01:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:52,627 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 178 transitions. [2020-12-23 11:01:52,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:01:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2020-12-23 11:01:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 11:01:52,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:52,628 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:52,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 11:01:52,629 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:52,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1614885916, now seen corresponding path program 1 times [2020-12-23 11:01:52,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:52,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986072446] [2020-12-23 11:01:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:53,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986072446] [2020-12-23 11:01:53,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:53,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:01:53,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252082418] [2020-12-23 11:01:53,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:01:53,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:53,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:01:53,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:01:53,125 INFO L87 Difference]: Start difference. First operand 150 states and 178 transitions. Second operand 18 states. [2020-12-23 11:01:53,301 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-12-23 11:01:53,866 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-12-23 11:01:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:55,641 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2020-12-23 11:01:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:01:55,642 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2020-12-23 11:01:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:55,644 INFO L225 Difference]: With dead ends: 469 [2020-12-23 11:01:55,644 INFO L226 Difference]: Without dead ends: 463 [2020-12-23 11:01:55,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:01:55,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-12-23 11:01:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 157. [2020-12-23 11:01:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-12-23 11:01:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 187 transitions. [2020-12-23 11:01:55,685 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 187 transitions. Word has length 56 [2020-12-23 11:01:55,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:55,686 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 187 transitions. [2020-12-23 11:01:55,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:01:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 187 transitions. [2020-12-23 11:01:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 11:01:55,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:55,687 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:55,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 11:01:55,687 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:55,688 INFO L82 PathProgramCache]: Analyzing trace with hash 897405148, now seen corresponding path program 1 times [2020-12-23 11:01:55,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:55,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921155929] [2020-12-23 11:01:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:56,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921155929] [2020-12-23 11:01:56,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:56,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:01:56,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111589198] [2020-12-23 11:01:56,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:01:56,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:56,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:01:56,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:01:56,136 INFO L87 Difference]: Start difference. First operand 157 states and 187 transitions. Second operand 18 states. [2020-12-23 11:01:56,308 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-12-23 11:01:56,854 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:01:58,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:58,362 INFO L93 Difference]: Finished difference Result 370 states and 462 transitions. [2020-12-23 11:01:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:01:58,363 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2020-12-23 11:01:58,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:58,366 INFO L225 Difference]: With dead ends: 370 [2020-12-23 11:01:58,366 INFO L226 Difference]: Without dead ends: 361 [2020-12-23 11:01:58,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=227, Invalid=895, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 11:01:58,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-12-23 11:01:58,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 157. [2020-12-23 11:01:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-12-23 11:01:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2020-12-23 11:01:58,408 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 56 [2020-12-23 11:01:58,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:58,408 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2020-12-23 11:01:58,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:01:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2020-12-23 11:01:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 11:01:58,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:58,409 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:01:58,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 11:01:58,410 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:58,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:58,410 INFO L82 PathProgramCache]: Analyzing trace with hash -712982628, now seen corresponding path program 1 times [2020-12-23 11:01:58,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:58,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878988795] [2020-12-23 11:01:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:58,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878988795] [2020-12-23 11:01:58,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:58,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:01:58,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184298482] [2020-12-23 11:01:58,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:01:58,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:58,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:01:58,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:01:58,905 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 18 states. [2020-12-23 11:01:59,091 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-12-23 11:01:59,629 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-12-23 11:02:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:01,403 INFO L93 Difference]: Finished difference Result 370 states and 461 transitions. [2020-12-23 11:02:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:02:01,403 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2020-12-23 11:02:01,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:01,405 INFO L225 Difference]: With dead ends: 370 [2020-12-23 11:02:01,405 INFO L226 Difference]: Without dead ends: 361 [2020-12-23 11:02:01,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=209, Invalid=721, Unknown=0, NotChecked=0, Total=930 [2020-12-23 11:02:01,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-12-23 11:02:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2020-12-23 11:02:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:02:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2020-12-23 11:02:01,444 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 56 [2020-12-23 11:02:01,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:01,445 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2020-12-23 11:02:01,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:02:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2020-12-23 11:02:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 11:02:01,445 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:01,445 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:01,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 11:02:01,446 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:01,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:01,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1229531537, now seen corresponding path program 1 times [2020-12-23 11:02:01,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:01,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951133079] [2020-12-23 11:02:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:02,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951133079] [2020-12-23 11:02:02,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:02,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-23 11:02:02,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922693214] [2020-12-23 11:02:02,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 11:02:02,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:02,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 11:02:02,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-12-23 11:02:02,088 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand 16 states. [2020-12-23 11:02:02,826 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-12-23 11:02:02,993 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-23 11:02:03,163 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-23 11:02:03,313 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-23 11:02:04,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:04,931 INFO L93 Difference]: Finished difference Result 598 states and 789 transitions. [2020-12-23 11:02:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:02:04,931 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2020-12-23 11:02:04,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:04,936 INFO L225 Difference]: With dead ends: 598 [2020-12-23 11:02:04,936 INFO L226 Difference]: Without dead ends: 592 [2020-12-23 11:02:04,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2020-12-23 11:02:04,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-12-23 11:02:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 163. [2020-12-23 11:02:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 11:02:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2020-12-23 11:02:04,976 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 57 [2020-12-23 11:02:04,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:04,976 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2020-12-23 11:02:04,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 11:02:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2020-12-23 11:02:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 11:02:04,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:04,977 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:04,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 11:02:04,977 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:04,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1985133879, now seen corresponding path program 1 times [2020-12-23 11:02:04,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:04,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050436102] [2020-12-23 11:02:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:05,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050436102] [2020-12-23 11:02:05,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:05,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:02:05,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521028251] [2020-12-23 11:02:05,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:02:05,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:05,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:02:05,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:02:05,576 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand 14 states. [2020-12-23 11:02:05,886 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2020-12-23 11:02:06,135 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2020-12-23 11:02:06,334 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-23 11:02:06,529 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-12-23 11:02:06,711 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-12-23 11:02:06,871 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-23 11:02:07,098 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 11:02:07,525 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-12-23 11:02:08,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:08,191 INFO L93 Difference]: Finished difference Result 432 states and 564 transitions. [2020-12-23 11:02:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:02:08,191 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2020-12-23 11:02:08,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:08,194 INFO L225 Difference]: With dead ends: 432 [2020-12-23 11:02:08,195 INFO L226 Difference]: Without dead ends: 419 [2020-12-23 11:02:08,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2020-12-23 11:02:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-12-23 11:02:08,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 150. [2020-12-23 11:02:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 11:02:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-12-23 11:02:08,244 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 57 [2020-12-23 11:02:08,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:08,244 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-12-23 11:02:08,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:02:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-12-23 11:02:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 11:02:08,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:08,245 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:08,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 11:02:08,245 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:08,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1082760790, now seen corresponding path program 1 times [2020-12-23 11:02:08,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:08,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812158487] [2020-12-23 11:02:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:08,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812158487] [2020-12-23 11:02:08,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:08,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:02:08,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634458025] [2020-12-23 11:02:08,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:02:08,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:08,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:02:08,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:02:08,546 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 10 states. [2020-12-23 11:02:08,960 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-23 11:02:09,092 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-23 11:02:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:09,789 INFO L93 Difference]: Finished difference Result 389 states and 518 transitions. [2020-12-23 11:02:09,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:02:09,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-12-23 11:02:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:09,795 INFO L225 Difference]: With dead ends: 389 [2020-12-23 11:02:09,795 INFO L226 Difference]: Without dead ends: 363 [2020-12-23 11:02:09,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:02:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-12-23 11:02:09,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 124. [2020-12-23 11:02:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-23 11:02:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 151 transitions. [2020-12-23 11:02:09,846 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 151 transitions. Word has length 57 [2020-12-23 11:02:09,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:09,847 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 151 transitions. [2020-12-23 11:02:09,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:02:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 151 transitions. [2020-12-23 11:02:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 11:02:09,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:09,848 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:09,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 11:02:09,848 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:09,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:09,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1060387331, now seen corresponding path program 1 times [2020-12-23 11:02:09,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:09,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713701730] [2020-12-23 11:02:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:10,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713701730] [2020-12-23 11:02:10,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:10,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:02:10,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962810993] [2020-12-23 11:02:10,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:02:10,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:10,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:02:10,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:02:10,405 INFO L87 Difference]: Start difference. First operand 124 states and 151 transitions. Second operand 14 states. [2020-12-23 11:02:10,836 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-12-23 11:02:11,014 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-23 11:02:11,141 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-23 11:02:11,984 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2020-12-23 11:02:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:12,651 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2020-12-23 11:02:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 11:02:12,652 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2020-12-23 11:02:12,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:12,654 INFO L225 Difference]: With dead ends: 381 [2020-12-23 11:02:12,654 INFO L226 Difference]: Without dead ends: 375 [2020-12-23 11:02:12,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:02:12,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-12-23 11:02:12,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 124. [2020-12-23 11:02:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-23 11:02:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 151 transitions. [2020-12-23 11:02:12,699 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 151 transitions. Word has length 57 [2020-12-23 11:02:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:12,699 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 151 transitions. [2020-12-23 11:02:12,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:02:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 151 transitions. [2020-12-23 11:02:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 11:02:12,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:12,700 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:12,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 11:02:12,700 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:12,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:12,701 INFO L82 PathProgramCache]: Analyzing trace with hash -99560496, now seen corresponding path program 1 times [2020-12-23 11:02:12,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:12,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499706487] [2020-12-23 11:02:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:12,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499706487] [2020-12-23 11:02:12,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:12,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:02:12,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835789037] [2020-12-23 11:02:12,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:02:12,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:02:12,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:02:12,925 INFO L87 Difference]: Start difference. First operand 124 states and 151 transitions. Second operand 10 states. [2020-12-23 11:02:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:13,501 INFO L93 Difference]: Finished difference Result 284 states and 373 transitions. [2020-12-23 11:02:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:02:13,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-23 11:02:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:13,504 INFO L225 Difference]: With dead ends: 284 [2020-12-23 11:02:13,504 INFO L226 Difference]: Without dead ends: 278 [2020-12-23 11:02:13,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:02:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-23 11:02:13,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 104. [2020-12-23 11:02:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-23 11:02:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2020-12-23 11:02:13,546 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 58 [2020-12-23 11:02:13,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:13,546 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2020-12-23 11:02:13,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:02:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-12-23 11:02:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 11:02:13,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:13,547 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:13,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 11:02:13,547 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:13,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:13,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1117882514, now seen corresponding path program 1 times [2020-12-23 11:02:13,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:13,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538591043] [2020-12-23 11:02:13,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:13,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538591043] [2020-12-23 11:02:13,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:13,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:13,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049273751] [2020-12-23 11:02:13,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:13,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:13,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:13,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:13,606 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand 3 states. [2020-12-23 11:02:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:13,702 INFO L93 Difference]: Finished difference Result 186 states and 246 transitions. [2020-12-23 11:02:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:13,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 11:02:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:13,704 INFO L225 Difference]: With dead ends: 186 [2020-12-23 11:02:13,704 INFO L226 Difference]: Without dead ends: 143 [2020-12-23 11:02:13,705 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-12-23 11:02:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2020-12-23 11:02:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-12-23 11:02:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 181 transitions. [2020-12-23 11:02:13,755 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 181 transitions. Word has length 75 [2020-12-23 11:02:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:13,755 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 181 transitions. [2020-12-23 11:02:13,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 181 transitions. [2020-12-23 11:02:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:02:13,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:13,757 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:13,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 11:02:13,757 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1016465065, now seen corresponding path program 1 times [2020-12-23 11:02:13,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:13,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177567647] [2020-12-23 11:02:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:13,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177567647] [2020-12-23 11:02:13,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:13,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:02:13,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128055740] [2020-12-23 11:02:13,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:02:13,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:13,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:02:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:13,849 INFO L87 Difference]: Start difference. First operand 141 states and 181 transitions. Second operand 5 states. [2020-12-23 11:02:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:14,068 INFO L93 Difference]: Finished difference Result 390 states and 541 transitions. [2020-12-23 11:02:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:02:14,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 11:02:14,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:14,071 INFO L225 Difference]: With dead ends: 390 [2020-12-23 11:02:14,071 INFO L226 Difference]: Without dead ends: 310 [2020-12-23 11:02:14,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:14,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-12-23 11:02:14,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 182. [2020-12-23 11:02:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-12-23 11:02:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 242 transitions. [2020-12-23 11:02:14,179 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 242 transitions. Word has length 77 [2020-12-23 11:02:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:14,180 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 242 transitions. [2020-12-23 11:02:14,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:02:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 242 transitions. [2020-12-23 11:02:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:02:14,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:14,181 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:14,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 11:02:14,181 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:14,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1101947074, now seen corresponding path program 1 times [2020-12-23 11:02:14,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:14,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804660018] [2020-12-23 11:02:14,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:14,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804660018] [2020-12-23 11:02:14,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:14,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:14,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536927883] [2020-12-23 11:02:14,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:14,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:14,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:14,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:14,248 INFO L87 Difference]: Start difference. First operand 182 states and 242 transitions. Second operand 3 states. [2020-12-23 11:02:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:14,414 INFO L93 Difference]: Finished difference Result 408 states and 567 transitions. [2020-12-23 11:02:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:14,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 11:02:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:14,416 INFO L225 Difference]: With dead ends: 408 [2020-12-23 11:02:14,416 INFO L226 Difference]: Without dead ends: 287 [2020-12-23 11:02:14,417 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-23 11:02:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2020-12-23 11:02:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-12-23 11:02:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 385 transitions. [2020-12-23 11:02:14,565 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 385 transitions. Word has length 77 [2020-12-23 11:02:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:14,565 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 385 transitions. [2020-12-23 11:02:14,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 385 transitions. [2020-12-23 11:02:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:02:14,566 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:14,566 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:14,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 11:02:14,567 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:14,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1035453562, now seen corresponding path program 1 times [2020-12-23 11:02:14,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:14,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041341770] [2020-12-23 11:02:14,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:14,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041341770] [2020-12-23 11:02:14,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:14,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:14,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378036833] [2020-12-23 11:02:14,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:14,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:14,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:14,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:14,623 INFO L87 Difference]: Start difference. First operand 285 states and 385 transitions. Second operand 3 states. [2020-12-23 11:02:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:14,885 INFO L93 Difference]: Finished difference Result 661 states and 920 transitions. [2020-12-23 11:02:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:14,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 11:02:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:14,888 INFO L225 Difference]: With dead ends: 661 [2020-12-23 11:02:14,888 INFO L226 Difference]: Without dead ends: 437 [2020-12-23 11:02:14,888 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:14,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-12-23 11:02:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2020-12-23 11:02:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-12-23 11:02:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 595 transitions. [2020-12-23 11:02:15,086 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 595 transitions. Word has length 77 [2020-12-23 11:02:15,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:15,086 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 595 transitions. [2020-12-23 11:02:15,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 595 transitions. [2020-12-23 11:02:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:02:15,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:15,087 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:15,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 11:02:15,087 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:15,088 INFO L82 PathProgramCache]: Analyzing trace with hash -401787049, now seen corresponding path program 1 times [2020-12-23 11:02:15,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:15,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231257549] [2020-12-23 11:02:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:15,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231257549] [2020-12-23 11:02:15,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:15,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:02:15,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784351161] [2020-12-23 11:02:15,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:02:15,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:15,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:02:15,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:15,180 INFO L87 Difference]: Start difference. First operand 435 states and 595 transitions. Second operand 5 states. [2020-12-23 11:02:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:15,645 INFO L93 Difference]: Finished difference Result 1138 states and 1588 transitions. [2020-12-23 11:02:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:02:15,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 11:02:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:15,649 INFO L225 Difference]: With dead ends: 1138 [2020-12-23 11:02:15,649 INFO L226 Difference]: Without dead ends: 915 [2020-12-23 11:02:15,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-12-23 11:02:16,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 662. [2020-12-23 11:02:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-23 11:02:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 916 transitions. [2020-12-23 11:02:16,003 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 916 transitions. Word has length 77 [2020-12-23 11:02:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:16,003 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 916 transitions. [2020-12-23 11:02:16,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:02:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 916 transitions. [2020-12-23 11:02:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:02:16,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:16,004 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:16,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 11:02:16,004 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:16,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:16,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1826714967, now seen corresponding path program 1 times [2020-12-23 11:02:16,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:16,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528072746] [2020-12-23 11:02:16,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:16,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528072746] [2020-12-23 11:02:16,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:16,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:02:16,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936212417] [2020-12-23 11:02:16,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:02:16,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:16,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:02:16,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:16,098 INFO L87 Difference]: Start difference. First operand 662 states and 916 transitions. Second operand 5 states. [2020-12-23 11:02:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:16,833 INFO L93 Difference]: Finished difference Result 1286 states and 1798 transitions. [2020-12-23 11:02:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:02:16,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 11:02:16,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:16,837 INFO L225 Difference]: With dead ends: 1286 [2020-12-23 11:02:16,837 INFO L226 Difference]: Without dead ends: 1063 [2020-12-23 11:02:16,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:02:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-12-23 11:02:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 813. [2020-12-23 11:02:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-12-23 11:02:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1130 transitions. [2020-12-23 11:02:17,425 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1130 transitions. Word has length 77 [2020-12-23 11:02:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:17,425 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1130 transitions. [2020-12-23 11:02:17,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:02:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1130 transitions. [2020-12-23 11:02:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 11:02:17,426 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:17,426 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:17,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 11:02:17,427 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 275968985, now seen corresponding path program 1 times [2020-12-23 11:02:17,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:17,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002860996] [2020-12-23 11:02:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:17,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002860996] [2020-12-23 11:02:17,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:17,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:17,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364987334] [2020-12-23 11:02:17,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:17,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:17,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:17,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:17,481 INFO L87 Difference]: Start difference. First operand 813 states and 1130 transitions. Second operand 3 states. [2020-12-23 11:02:18,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:18,169 INFO L93 Difference]: Finished difference Result 2037 states and 2846 transitions. [2020-12-23 11:02:18,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:18,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 11:02:18,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:18,175 INFO L225 Difference]: With dead ends: 2037 [2020-12-23 11:02:18,175 INFO L226 Difference]: Without dead ends: 1285 [2020-12-23 11:02:18,176 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:18,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-12-23 11:02:18,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1207. [2020-12-23 11:02:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-12-23 11:02:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1666 transitions. [2020-12-23 11:02:18,767 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1666 transitions. Word has length 78 [2020-12-23 11:02:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:18,767 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1666 transitions. [2020-12-23 11:02:18,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1666 transitions. [2020-12-23 11:02:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 11:02:18,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:18,768 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:18,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 11:02:18,769 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:18,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:18,769 INFO L82 PathProgramCache]: Analyzing trace with hash -163971304, now seen corresponding path program 1 times [2020-12-23 11:02:18,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:18,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869370001] [2020-12-23 11:02:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:18,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869370001] [2020-12-23 11:02:18,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:18,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:18,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674577871] [2020-12-23 11:02:18,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:18,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:18,820 INFO L87 Difference]: Start difference. First operand 1207 states and 1666 transitions. Second operand 3 states. [2020-12-23 11:02:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:19,463 INFO L93 Difference]: Finished difference Result 2389 states and 3317 transitions. [2020-12-23 11:02:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:19,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 11:02:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:19,468 INFO L225 Difference]: With dead ends: 2389 [2020-12-23 11:02:19,468 INFO L226 Difference]: Without dead ends: 1243 [2020-12-23 11:02:19,469 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-12-23 11:02:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1241. [2020-12-23 11:02:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-12-23 11:02:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1696 transitions. [2020-12-23 11:02:20,098 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1696 transitions. Word has length 79 [2020-12-23 11:02:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:20,098 INFO L481 AbstractCegarLoop]: Abstraction has 1241 states and 1696 transitions. [2020-12-23 11:02:20,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1696 transitions. [2020-12-23 11:02:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 11:02:20,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:20,099 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:20,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 11:02:20,100 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:20,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:20,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1432796505, now seen corresponding path program 1 times [2020-12-23 11:02:20,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:20,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915400250] [2020-12-23 11:02:20,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:20,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915400250] [2020-12-23 11:02:20,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:20,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:20,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939036602] [2020-12-23 11:02:20,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:20,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:20,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:20,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:20,153 INFO L87 Difference]: Start difference. First operand 1241 states and 1696 transitions. Second operand 3 states. [2020-12-23 11:02:21,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:21,266 INFO L93 Difference]: Finished difference Result 3477 states and 4741 transitions. [2020-12-23 11:02:21,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:21,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 11:02:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:21,275 INFO L225 Difference]: With dead ends: 3477 [2020-12-23 11:02:21,275 INFO L226 Difference]: Without dead ends: 2297 [2020-12-23 11:02:21,276 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2020-12-23 11:02:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2171. [2020-12-23 11:02:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2020-12-23 11:02:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2923 transitions. [2020-12-23 11:02:22,477 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2923 transitions. Word has length 79 [2020-12-23 11:02:22,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:22,478 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2923 transitions. [2020-12-23 11:02:22,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2923 transitions. [2020-12-23 11:02:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 11:02:22,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:22,479 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:22,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 11:02:22,479 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:22,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:22,480 INFO L82 PathProgramCache]: Analyzing trace with hash -21206962, now seen corresponding path program 1 times [2020-12-23 11:02:22,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:22,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504314995] [2020-12-23 11:02:22,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:22,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504314995] [2020-12-23 11:02:22,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:22,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:22,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737010241] [2020-12-23 11:02:22,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:22,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:22,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:22,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:22,536 INFO L87 Difference]: Start difference. First operand 2171 states and 2923 transitions. Second operand 3 states. [2020-12-23 11:02:24,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:24,615 INFO L93 Difference]: Finished difference Result 6143 states and 8205 transitions. [2020-12-23 11:02:24,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:24,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 11:02:24,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:24,628 INFO L225 Difference]: With dead ends: 6143 [2020-12-23 11:02:24,628 INFO L226 Difference]: Without dead ends: 4033 [2020-12-23 11:02:24,630 INFO L677 BasicCegarLoop]: 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 [2020-12-23 11:02:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2020-12-23 11:02:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 3783. [2020-12-23 11:02:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3783 states. [2020-12-23 11:02:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 4974 transitions. [2020-12-23 11:02:26,501 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 4974 transitions. Word has length 80 [2020-12-23 11:02:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:26,501 INFO L481 AbstractCegarLoop]: Abstraction has 3783 states and 4974 transitions. [2020-12-23 11:02:26,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4974 transitions. [2020-12-23 11:02:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 11:02:26,502 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:26,502 INFO L422 BasicCegarLoop]: 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] [2020-12-23 11:02:26,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 11:02:26,502 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:26,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1223980109, now seen corresponding path program 1 times [2020-12-23 11:02:26,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:26,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320297219] [2020-12-23 11:02:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:26,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320297219] [2020-12-23 11:02:26,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:26,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 11:02:26,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180453744] [2020-12-23 11:02:26,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:02:26,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:26,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:02:26,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:02:26,593 INFO L87 Difference]: Start difference. First operand 3783 states and 4974 transitions. Second operand 6 states. [2020-12-23 11:02:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:29,947 INFO L93 Difference]: Finished difference Result 5645 states and 7406 transitions. [2020-12-23 11:02:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 11:02:29,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-12-23 11:02:29,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:29,972 INFO L225 Difference]: With dead ends: 5645 [2020-12-23 11:02:29,972 INFO L226 Difference]: Without dead ends: 5643 [2020-12-23 11:02:29,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:02:29,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5643 states. [2020-12-23 11:02:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5643 to 3879. [2020-12-23 11:02:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3879 states. [2020-12-23 11:02:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 5030 transitions. [2020-12-23 11:02:32,101 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 5030 transitions. Word has length 81 [2020-12-23 11:02:32,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:32,101 INFO L481 AbstractCegarLoop]: Abstraction has 3879 states and 5030 transitions. [2020-12-23 11:02:32,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:02:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 5030 transitions. [2020-12-23 11:02:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 11:02:32,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:32,104 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:02:32,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 11:02:32,104 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:32,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1680108859, now seen corresponding path program 1 times [2020-12-23 11:02:32,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:32,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30097586] [2020-12-23 11:02:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:32,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30097586] [2020-12-23 11:02:32,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774389309] [2020-12-23 11:02:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 11:02:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:32,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 11:02:32,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:02:32,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:02:32,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:02:33,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 11:02:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:33,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:02:33,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2020-12-23 11:02:33,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271479288] [2020-12-23 11:02:33,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:02:33,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:33,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:02:33,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:02:33,356 INFO L87 Difference]: Start difference. First operand 3879 states and 5030 transitions. Second operand 18 states. [2020-12-23 11:02:35,819 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-23 11:02:36,439 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-12-23 11:02:38,487 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-12-23 11:02:38,768 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-12-23 11:02:39,887 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-12-23 11:02:40,195 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-23 11:02:40,782 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-12-23 11:02:41,174 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-23 11:02:41,619 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-12-23 11:02:41,908 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-12-23 11:02:42,217 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-12-23 11:02:42,571 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-23 11:02:42,750 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-12-23 11:03:03,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:03,154 INFO L93 Difference]: Finished difference Result 38453 states and 49002 transitions. [2020-12-23 11:03:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-12-23 11:03:03,155 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 103 [2020-12-23 11:03:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:03,257 INFO L225 Difference]: With dead ends: 38453 [2020-12-23 11:03:03,258 INFO L226 Difference]: Without dead ends: 34635 [2020-12-23 11:03:03,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2652 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1537, Invalid=6653, Unknown=0, NotChecked=0, Total=8190 [2020-12-23 11:03:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34635 states. [2020-12-23 11:03:08,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34635 to 8269. [2020-12-23 11:03:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8269 states. [2020-12-23 11:03:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8269 states to 8269 states and 10666 transitions. [2020-12-23 11:03:08,614 INFO L78 Accepts]: Start accepts. Automaton has 8269 states and 10666 transitions. Word has length 103 [2020-12-23 11:03:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:08,614 INFO L481 AbstractCegarLoop]: Abstraction has 8269 states and 10666 transitions. [2020-12-23 11:03:08,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:03:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8269 states and 10666 transitions. [2020-12-23 11:03:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 11:03:08,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:08,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:03:08,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-12-23 11:03:08,819 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:08,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:08,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1319335917, now seen corresponding path program 1 times [2020-12-23 11:03:08,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:08,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361075747] [2020-12-23 11:03:08,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:09,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361075747] [2020-12-23 11:03:09,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891947021] [2020-12-23 11:03:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 11:03:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:09,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-23 11:03:09,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:03:09,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 11:03:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:10,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:03:10,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2020-12-23 11:03:10,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611308562] [2020-12-23 11:03:10,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 11:03:10,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:10,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 11:03:10,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:03:10,399 INFO L87 Difference]: Start difference. First operand 8269 states and 10666 transitions. Second operand 20 states. [2020-12-23 11:03:10,620 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:03:11,044 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:03:11,452 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-23 11:03:11,767 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-12-23 11:03:12,317 WARN L197 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-23 11:03:12,703 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-23 11:03:13,188 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-23 11:03:13,650 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-23 11:03:14,255 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-23 11:03:14,607 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-12-23 11:03:15,003 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:03:15,346 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-12-23 11:03:15,892 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-12-23 11:03:16,363 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-12-23 11:03:16,890 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-12-23 11:03:17,304 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-12-23 11:03:17,666 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:03:18,073 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-12-23 11:03:18,538 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-12-23 11:03:19,026 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-12-23 11:03:19,359 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 11:03:19,790 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-12-23 11:03:20,438 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-12-23 11:03:21,498 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2020-12-23 11:03:22,044 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-12-23 11:03:23,106 WARN L197 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-12-23 11:03:23,696 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-12-23 11:03:24,818 WARN L197 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2020-12-23 11:03:26,302 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2020-12-23 11:03:26,912 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-12-23 11:03:27,387 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-12-23 11:03:28,492 WARN L197 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-12-23 11:03:29,749 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2020-12-23 11:03:30,358 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-12-23 11:03:30,874 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-12-23 11:03:32,295 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-12-23 11:03:34,072 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-12-23 11:03:34,815 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-12-23 11:03:35,572 WARN L197 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-12-23 11:03:36,078 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:03:36,685 WARN L197 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2020-12-23 11:03:38,086 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-12-23 11:03:39,224 WARN L197 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-12-23 11:03:40,597 WARN L197 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2020-12-23 11:03:42,273 WARN L197 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-12-23 11:03:43,853 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2020-12-23 11:03:44,694 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-12-23 11:03:45,684 WARN L197 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-12-23 11:03:46,283 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-12-23 11:03:46,944 WARN L197 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2020-12-23 11:03:48,626 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-12-23 11:03:49,484 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-12-23 11:03:50,059 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 11:03:51,030 WARN L197 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-12-23 11:03:51,771 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-12-23 11:03:53,441 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2020-12-23 11:03:54,933 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-12-23 11:03:56,261 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2020-12-23 11:03:58,558 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2020-12-23 11:04:00,520 WARN L197 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2020-12-23 11:04:03,191 WARN L197 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-12-23 11:04:05,033 WARN L197 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2020-12-23 11:04:06,974 WARN L197 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-12-23 11:04:08,891 WARN L197 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2020-12-23 11:04:09,579 WARN L197 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-12-23 11:04:10,121 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-12-23 11:04:11,261 WARN L197 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-12-23 11:04:12,242 WARN L197 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-12-23 11:04:13,231 WARN L197 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-23 11:04:13,932 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-12-23 11:04:14,669 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2020-12-23 11:04:15,510 WARN L197 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-12-23 11:04:16,911 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-23 11:04:18,522 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-12-23 11:04:19,501 WARN L197 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2020-12-23 11:04:20,176 WARN L197 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2020-12-23 11:04:21,966 WARN L197 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2020-12-23 11:04:24,031 WARN L197 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-12-23 11:04:26,206 WARN L197 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-12-23 11:04:28,715 WARN L197 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-12-23 11:04:30,424 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-12-23 11:04:33,009 WARN L197 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-23 11:04:34,755 WARN L197 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-12-23 11:04:38,768 WARN L197 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2020-12-23 11:04:43,493 WARN L197 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 120 DAG size of output: 110 [2020-12-23 11:04:49,081 WARN L197 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2020-12-23 11:04:50,725 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2020-12-23 11:04:52,422 WARN L197 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-12-23 11:04:54,181 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2020-12-23 11:04:56,798 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-12-23 11:04:59,974 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2020-12-23 11:05:03,074 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-12-23 11:05:04,459 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-23 11:05:05,957 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-23 11:05:08,588 WARN L197 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2020-12-23 11:05:09,647 WARN L197 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-12-23 11:05:10,848 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-23 11:05:15,549 WARN L197 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2020-12-23 11:05:19,717 WARN L197 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2020-12-23 11:05:24,161 WARN L197 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-12-23 11:05:30,512 WARN L197 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-12-23 11:05:33,729 WARN L197 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 98 DAG size of output: 89