/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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:44:18,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:44:18,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:44:18,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:44:18,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:44:18,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:44:18,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:44:18,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:44:18,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:44:18,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:44:18,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:44:18,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:44:18,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:44:18,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:44:18,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:44:18,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:44:18,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:44:18,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:44:18,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:44:18,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:44:18,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:44:18,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:44:18,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:44:18,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:44:18,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:44:18,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:44:18,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:44:18,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:44:18,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:44:18,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:44:18,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:44:18,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:44:18,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:44:18,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:44:18,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:44:19,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:44:19,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:44:19,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:44:19,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:44:19,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:44:19,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:44:19,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:44:19,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:44:19,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:44:19,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:44:19,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:44:19,063 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:44:19,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:44:19,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:44:19,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:44:19,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:44:19,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:44:19,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:44:19,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:44:19,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:44:19,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:44:19,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:44:19,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:44:19,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:44:19,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:44:19,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:44:19,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:44:19,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:44:19,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:44:19,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:44:19,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:44:19,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:44:19,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:44:19,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:44:19,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:44:19,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:44:19,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:44:19,520 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:44:19,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:44:19,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1553b55a3/9a1dead201034b21a9618a0620a09602/FLAG6e8e523ce [2021-01-06 20:44:20,344 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:44:20,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:44:20,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1553b55a3/9a1dead201034b21a9618a0620a09602/FLAG6e8e523ce [2021-01-06 20:44:20,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1553b55a3/9a1dead201034b21a9618a0620a09602 [2021-01-06 20:44:20,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:44:20,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:44:20,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:20,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:44:20,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:44:20,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:20" (1/1) ... [2021-01-06 20:44:20,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba4bc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:20, skipping insertion in model container [2021-01-06 20:44:20,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:20" (1/1) ... [2021-01-06 20:44:20,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:44:20,739 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[~alive1~0,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[~alive2~0,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[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58584~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~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[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] 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[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] 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[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58749~0,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,] [2021-01-06 20:44:20,970 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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5954,5967] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] 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[~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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] 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[~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[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] 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[~send1~0,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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] [2021-01-06 20:44:21,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:21,076 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[~alive1~0,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[~alive2~0,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[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58584~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~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[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] 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[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] 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[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58749~0,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,] [2021-01-06 20:44:21,138 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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5954,5967] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] 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[~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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] 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[~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[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] 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[~send1~0,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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] [2021-01-06 20:44:21,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:21,200 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:44:21,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21 WrapperNode [2021-01-06 20:44:21,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:21,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:21,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:44:21,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:44:21,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:21,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:44:21,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:44:21,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:44:21,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (1/1) ... [2021-01-06 20:44:21,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:44:21,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:44:21,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:44:21,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:44:21,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (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 [2021-01-06 20:44:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:44:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:44:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:44:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:44:22,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:44:22,446 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:44:22,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:22 BoogieIcfgContainer [2021-01-06 20:44:22,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:44:22,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:44:22,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:44:22,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:44:22,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:44:20" (1/3) ... [2021-01-06 20:44:22,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92ec66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:22, skipping insertion in model container [2021-01-06 20:44:22,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:21" (2/3) ... [2021-01-06 20:44:22,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92ec66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:22, skipping insertion in model container [2021-01-06 20:44:22,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:22" (3/3) ... [2021-01-06 20:44:22,458 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:44:22,465 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:44:22,470 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:44:22,490 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:44:22,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:44:22,519 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:44:22,519 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:44:22,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:44:22,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:44:22,520 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:44:22,520 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:44:22,520 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:44:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2021-01-06 20:44:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 20:44:22,550 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:22,551 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] [2021-01-06 20:44:22,551 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1025697732, now seen corresponding path program 1 times [2021-01-06 20:44:22,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:22,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730198385] [2021-01-06 20:44:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:22,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730198385] [2021-01-06 20:44:22,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:22,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:22,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363660572] [2021-01-06 20:44:23,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:23,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:23,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:23,023 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2021-01-06 20:44:23,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:23,116 INFO L93 Difference]: Finished difference Result 328 states and 528 transitions. [2021-01-06 20:44:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:23,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 20:44:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:23,135 INFO L225 Difference]: With dead ends: 328 [2021-01-06 20:44:23,135 INFO L226 Difference]: Without dead ends: 219 [2021-01-06 20:44:23,140 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 [2021-01-06 20:44:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-01-06 20:44:23,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 217. [2021-01-06 20:44:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-01-06 20:44:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 325 transitions. [2021-01-06 20:44:23,249 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 325 transitions. Word has length 61 [2021-01-06 20:44:23,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:23,249 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 325 transitions. [2021-01-06 20:44:23,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 325 transitions. [2021-01-06 20:44:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 20:44:23,255 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:23,258 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] [2021-01-06 20:44:23,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:44:23,259 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:23,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:23,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1571099909, now seen corresponding path program 1 times [2021-01-06 20:44:23,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:23,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015467586] [2021-01-06 20:44:23,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:23,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015467586] [2021-01-06 20:44:23,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:23,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:23,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301081910] [2021-01-06 20:44:23,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:23,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:23,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:23,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:23,461 INFO L87 Difference]: Start difference. First operand 217 states and 325 transitions. Second operand 3 states. [2021-01-06 20:44:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:23,515 INFO L93 Difference]: Finished difference Result 549 states and 853 transitions. [2021-01-06 20:44:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:23,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 20:44:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:23,521 INFO L225 Difference]: With dead ends: 549 [2021-01-06 20:44:23,521 INFO L226 Difference]: Without dead ends: 367 [2021-01-06 20:44:23,523 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 [2021-01-06 20:44:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-01-06 20:44:23,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2021-01-06 20:44:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2021-01-06 20:44:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 560 transitions. [2021-01-06 20:44:23,572 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 560 transitions. Word has length 62 [2021-01-06 20:44:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:23,572 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 560 transitions. [2021-01-06 20:44:23,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 560 transitions. [2021-01-06 20:44:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 20:44:23,575 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:23,575 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] [2021-01-06 20:44:23,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:44:23,576 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:23,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 195770199, now seen corresponding path program 1 times [2021-01-06 20:44:23,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:23,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846610988] [2021-01-06 20:44:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:23,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846610988] [2021-01-06 20:44:23,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:23,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:23,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577178554] [2021-01-06 20:44:23,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:23,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:23,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:23,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:23,738 INFO L87 Difference]: Start difference. First operand 365 states and 560 transitions. Second operand 3 states. [2021-01-06 20:44:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:23,828 INFO L93 Difference]: Finished difference Result 961 states and 1506 transitions. [2021-01-06 20:44:23,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:23,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 20:44:23,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:23,843 INFO L225 Difference]: With dead ends: 961 [2021-01-06 20:44:23,844 INFO L226 Difference]: Without dead ends: 631 [2021-01-06 20:44:23,846 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 [2021-01-06 20:44:23,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-01-06 20:44:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 629. [2021-01-06 20:44:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2021-01-06 20:44:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 976 transitions. [2021-01-06 20:44:23,961 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 976 transitions. Word has length 63 [2021-01-06 20:44:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:23,967 INFO L481 AbstractCegarLoop]: Abstraction has 629 states and 976 transitions. [2021-01-06 20:44:23,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 976 transitions. [2021-01-06 20:44:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 20:44:23,973 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:23,973 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] [2021-01-06 20:44:23,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:44:23,974 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:23,975 INFO L82 PathProgramCache]: Analyzing trace with hash 92320152, now seen corresponding path program 1 times [2021-01-06 20:44:23,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:23,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636163994] [2021-01-06 20:44:23,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:24,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636163994] [2021-01-06 20:44:24,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:24,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:24,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594265387] [2021-01-06 20:44:24,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:24,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:24,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:24,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:24,172 INFO L87 Difference]: Start difference. First operand 629 states and 976 transitions. Second operand 3 states. [2021-01-06 20:44:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:24,277 INFO L93 Difference]: Finished difference Result 1689 states and 2650 transitions. [2021-01-06 20:44:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:24,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 20:44:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:24,285 INFO L225 Difference]: With dead ends: 1689 [2021-01-06 20:44:24,286 INFO L226 Difference]: Without dead ends: 1095 [2021-01-06 20:44:24,288 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 [2021-01-06 20:44:24,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2021-01-06 20:44:24,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1093. [2021-01-06 20:44:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2021-01-06 20:44:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1700 transitions. [2021-01-06 20:44:24,374 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1700 transitions. Word has length 64 [2021-01-06 20:44:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:24,377 INFO L481 AbstractCegarLoop]: Abstraction has 1093 states and 1700 transitions. [2021-01-06 20:44:24,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1700 transitions. [2021-01-06 20:44:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 20:44:24,381 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:24,382 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] [2021-01-06 20:44:24,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:44:24,382 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:24,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1673406722, now seen corresponding path program 1 times [2021-01-06 20:44:24,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:24,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51686275] [2021-01-06 20:44:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:24,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51686275] [2021-01-06 20:44:24,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:24,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:44:24,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047967466] [2021-01-06 20:44:24,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:44:24,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:44:24,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:24,661 INFO L87 Difference]: Start difference. First operand 1093 states and 1700 transitions. Second operand 7 states. [2021-01-06 20:44:25,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:25,242 INFO L93 Difference]: Finished difference Result 5663 states and 8841 transitions. [2021-01-06 20:44:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:44:25,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2021-01-06 20:44:25,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:25,271 INFO L225 Difference]: With dead ends: 5663 [2021-01-06 20:44:25,271 INFO L226 Difference]: Without dead ends: 4605 [2021-01-06 20:44:25,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:25,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4605 states. [2021-01-06 20:44:25,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4605 to 4597. [2021-01-06 20:44:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4597 states. [2021-01-06 20:44:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4597 states and 7156 transitions. [2021-01-06 20:44:25,641 INFO L78 Accepts]: Start accepts. Automaton has 4597 states and 7156 transitions. Word has length 65 [2021-01-06 20:44:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:25,643 INFO L481 AbstractCegarLoop]: Abstraction has 4597 states and 7156 transitions. [2021-01-06 20:44:25,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:44:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 7156 transitions. [2021-01-06 20:44:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 20:44:25,650 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:25,651 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] [2021-01-06 20:44:25,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:44:25,651 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:25,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash 222361335, now seen corresponding path program 1 times [2021-01-06 20:44:25,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:25,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917330698] [2021-01-06 20:44:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:25,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917330698] [2021-01-06 20:44:25,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:25,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:25,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635654861] [2021-01-06 20:44:25,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:25,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:25,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:25,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:25,740 INFO L87 Difference]: Start difference. First operand 4597 states and 7156 transitions. Second operand 3 states. [2021-01-06 20:44:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:26,305 INFO L93 Difference]: Finished difference Result 12361 states and 19206 transitions. [2021-01-06 20:44:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:26,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 20:44:26,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:26,351 INFO L225 Difference]: With dead ends: 12361 [2021-01-06 20:44:26,351 INFO L226 Difference]: Without dead ends: 7799 [2021-01-06 20:44:26,360 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 [2021-01-06 20:44:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7799 states. [2021-01-06 20:44:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7799 to 7797. [2021-01-06 20:44:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7797 states. [2021-01-06 20:44:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7797 states to 7797 states and 12004 transitions. [2021-01-06 20:44:26,915 INFO L78 Accepts]: Start accepts. Automaton has 7797 states and 12004 transitions. Word has length 66 [2021-01-06 20:44:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:26,915 INFO L481 AbstractCegarLoop]: Abstraction has 7797 states and 12004 transitions. [2021-01-06 20:44:26,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 12004 transitions. [2021-01-06 20:44:26,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:44:26,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:26,917 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] [2021-01-06 20:44:26,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:44:26,917 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:26,920 INFO L82 PathProgramCache]: Analyzing trace with hash 376052341, now seen corresponding path program 1 times [2021-01-06 20:44:26,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:26,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948403654] [2021-01-06 20:44:26,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:27,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948403654] [2021-01-06 20:44:27,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:27,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:27,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702144724] [2021-01-06 20:44:27,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:44:27,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:27,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:44:27,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:44:27,063 INFO L87 Difference]: Start difference. First operand 7797 states and 12004 transitions. Second operand 6 states. [2021-01-06 20:44:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:28,742 INFO L93 Difference]: Finished difference Result 29259 states and 45031 transitions. [2021-01-06 20:44:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:28,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2021-01-06 20:44:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:28,834 INFO L225 Difference]: With dead ends: 29259 [2021-01-06 20:44:28,835 INFO L226 Difference]: Without dead ends: 21497 [2021-01-06 20:44:28,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:44:28,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21497 states. [2021-01-06 20:44:30,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21497 to 21493. [2021-01-06 20:44:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21493 states. [2021-01-06 20:44:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21493 states to 21493 states and 32916 transitions. [2021-01-06 20:44:30,584 INFO L78 Accepts]: Start accepts. Automaton has 21493 states and 32916 transitions. Word has length 67 [2021-01-06 20:44:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:30,584 INFO L481 AbstractCegarLoop]: Abstraction has 21493 states and 32916 transitions. [2021-01-06 20:44:30,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:44:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 21493 states and 32916 transitions. [2021-01-06 20:44:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:44:30,585 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:30,586 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] [2021-01-06 20:44:30,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:44:30,586 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:30,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1993557232, now seen corresponding path program 1 times [2021-01-06 20:44:30,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:30,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691009928] [2021-01-06 20:44:30,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:30,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691009928] [2021-01-06 20:44:30,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:30,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:44:30,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075055885] [2021-01-06 20:44:30,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:44:30,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:30,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:44:30,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:30,708 INFO L87 Difference]: Start difference. First operand 21493 states and 32916 transitions. Second operand 7 states. [2021-01-06 20:44:34,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:34,939 INFO L93 Difference]: Finished difference Result 112737 states and 172858 transitions. [2021-01-06 20:44:34,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:44:34,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2021-01-06 20:44:34,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:35,226 INFO L225 Difference]: With dead ends: 112737 [2021-01-06 20:44:35,227 INFO L226 Difference]: Without dead ends: 91279 [2021-01-06 20:44:35,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:44:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91279 states. [2021-01-06 20:44:39,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91279 to 42949. [2021-01-06 20:44:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42949 states. [2021-01-06 20:44:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42949 states to 42949 states and 64900 transitions. [2021-01-06 20:44:39,178 INFO L78 Accepts]: Start accepts. Automaton has 42949 states and 64900 transitions. Word has length 67 [2021-01-06 20:44:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:39,179 INFO L481 AbstractCegarLoop]: Abstraction has 42949 states and 64900 transitions. [2021-01-06 20:44:39,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:44:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 42949 states and 64900 transitions. [2021-01-06 20:44:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 20:44:39,180 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:39,180 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] [2021-01-06 20:44:39,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:44:39,181 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1651275811, now seen corresponding path program 1 times [2021-01-06 20:44:39,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:39,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569719220] [2021-01-06 20:44:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:39,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569719220] [2021-01-06 20:44:39,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:39,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:39,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070211662] [2021-01-06 20:44:39,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:39,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:39,287 INFO L87 Difference]: Start difference. First operand 42949 states and 64900 transitions. Second operand 5 states. [2021-01-06 20:44:44,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:44,120 INFO L93 Difference]: Finished difference Result 87655 states and 131557 transitions. [2021-01-06 20:44:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:44:44,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 20:44:44,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:44,339 INFO L225 Difference]: With dead ends: 87655 [2021-01-06 20:44:44,339 INFO L226 Difference]: Without dead ends: 87653 [2021-01-06 20:44:44,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:44:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87653 states. [2021-01-06 20:44:48,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87653 to 44741. [2021-01-06 20:44:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44741 states. [2021-01-06 20:44:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44741 states to 44741 states and 66692 transitions. [2021-01-06 20:44:48,187 INFO L78 Accepts]: Start accepts. Automaton has 44741 states and 66692 transitions. Word has length 68 [2021-01-06 20:44:48,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:48,188 INFO L481 AbstractCegarLoop]: Abstraction has 44741 states and 66692 transitions. [2021-01-06 20:44:48,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:48,188 INFO L276 IsEmpty]: Start isEmpty. Operand 44741 states and 66692 transitions. [2021-01-06 20:44:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 20:44:48,189 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:48,189 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] [2021-01-06 20:44:48,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:44:48,190 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash -339484320, now seen corresponding path program 1 times [2021-01-06 20:44:48,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:48,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696653037] [2021-01-06 20:44:48,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:48,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696653037] [2021-01-06 20:44:48,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:48,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:48,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107198142] [2021-01-06 20:44:48,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:48,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:48,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:48,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:48,260 INFO L87 Difference]: Start difference. First operand 44741 states and 66692 transitions. Second operand 3 states. [2021-01-06 20:44:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:51,577 INFO L93 Difference]: Finished difference Result 97051 states and 144488 transitions. [2021-01-06 20:44:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:51,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 20:44:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:51,645 INFO L225 Difference]: With dead ends: 97051 [2021-01-06 20:44:51,646 INFO L226 Difference]: Without dead ends: 52345 [2021-01-06 20:44:51,696 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 [2021-01-06 20:44:51,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52345 states. [2021-01-06 20:44:55,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52345 to 52199. [2021-01-06 20:44:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52199 states. [2021-01-06 20:44:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52199 states to 52199 states and 77398 transitions. [2021-01-06 20:44:55,395 INFO L78 Accepts]: Start accepts. Automaton has 52199 states and 77398 transitions. Word has length 69 [2021-01-06 20:44:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:55,395 INFO L481 AbstractCegarLoop]: Abstraction has 52199 states and 77398 transitions. [2021-01-06 20:44:55,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 52199 states and 77398 transitions. [2021-01-06 20:44:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 20:44:55,417 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:55,417 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-01-06 20:44:55,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:44:55,418 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:55,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:55,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1573259719, now seen corresponding path program 1 times [2021-01-06 20:44:55,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:55,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194890423] [2021-01-06 20:44:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:44:55,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194890423] [2021-01-06 20:44:55,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:55,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269639841] [2021-01-06 20:44:55,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:55,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:55,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:55,492 INFO L87 Difference]: Start difference. First operand 52199 states and 77398 transitions. Second operand 3 states. [2021-01-06 20:45:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:01,384 INFO L93 Difference]: Finished difference Result 139372 states and 206874 transitions. [2021-01-06 20:45:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:45:01,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 20:45:01,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:01,507 INFO L225 Difference]: With dead ends: 139372 [2021-01-06 20:45:01,507 INFO L226 Difference]: Without dead ends: 93546 [2021-01-06 20:45:01,551 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 [2021-01-06 20:45:01,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93546 states. [2021-01-06 20:45:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93546 to 80872. [2021-01-06 20:45:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80872 states. [2021-01-06 20:45:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80872 states to 80872 states and 119016 transitions. [2021-01-06 20:45:07,535 INFO L78 Accepts]: Start accepts. Automaton has 80872 states and 119016 transitions. Word has length 96 [2021-01-06 20:45:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:07,535 INFO L481 AbstractCegarLoop]: Abstraction has 80872 states and 119016 transitions. [2021-01-06 20:45:07,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:45:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 80872 states and 119016 transitions. [2021-01-06 20:45:07,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 20:45:07,566 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:07,566 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] [2021-01-06 20:45:07,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:45:07,567 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:07,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1725865046, now seen corresponding path program 1 times [2021-01-06 20:45:07,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:07,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007211122] [2021-01-06 20:45:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:08,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007211122] [2021-01-06 20:45:08,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191769809] [2021-01-06 20:45:08,080 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 [2021-01-06 20:45:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:08,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 20:45:08,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 20:45:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 20:45:08,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 20:45:08,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 12 [2021-01-06 20:45:08,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522187612] [2021-01-06 20:45:08,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 20:45:08,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:08,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 20:45:08,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-01-06 20:45:08,651 INFO L87 Difference]: Start difference. First operand 80872 states and 119016 transitions. Second operand 12 states. [2021-01-06 20:45:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:52,859 INFO L93 Difference]: Finished difference Result 501260 states and 729580 transitions. [2021-01-06 20:45:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-01-06 20:45:52,860 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2021-01-06 20:45:52,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:54,042 INFO L225 Difference]: With dead ends: 501260 [2021-01-06 20:45:54,042 INFO L226 Difference]: Without dead ends: 426698 [2021-01-06 20:45:54,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3475 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1677, Invalid=7065, Unknown=0, NotChecked=0, Total=8742 [2021-01-06 20:45:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426698 states. [2021-01-06 20:46:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426698 to 195408. [2021-01-06 20:46:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195408 states. [2021-01-06 20:46:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195408 states to 195408 states and 284004 transitions. [2021-01-06 20:46:14,399 INFO L78 Accepts]: Start accepts. Automaton has 195408 states and 284004 transitions. Word has length 96 [2021-01-06 20:46:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:14,399 INFO L481 AbstractCegarLoop]: Abstraction has 195408 states and 284004 transitions. [2021-01-06 20:46:14,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 20:46:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 195408 states and 284004 transitions. [2021-01-06 20:46:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 20:46:14,450 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:14,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-01-06 20:46:14,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 20:46:14,666 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:14,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:14,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2035229118, now seen corresponding path program 1 times [2021-01-06 20:46:14,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:14,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249616050] [2021-01-06 20:46:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 20:46:14,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249616050] [2021-01-06 20:46:14,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:14,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:46:14,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049147290] [2021-01-06 20:46:14,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:46:14,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:14,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:46:14,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:46:14,764 INFO L87 Difference]: Start difference. First operand 195408 states and 284004 transitions. Second operand 6 states. [2021-01-06 20:47:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:04,382 INFO L93 Difference]: Finished difference Result 749062 states and 1085467 transitions. [2021-01-06 20:47:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:04,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2021-01-06 20:47:04,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:05,880 INFO L225 Difference]: With dead ends: 749062 [2021-01-06 20:47:05,880 INFO L226 Difference]: Without dead ends: 553692 [2021-01-06 20:47:06,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:47:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553692 states.