/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+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:44:49,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:44:49,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:44:49,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:44:49,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:44:49,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:44:49,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:44:49,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:44:49,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:44:49,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:44:49,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:44:49,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:44:49,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:44:49,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:44:49,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:44:49,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:44:49,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:44:49,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:44:49,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:44:49,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:44:49,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:44:49,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:44:49,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:44:49,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:44:49,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:44:49,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:44:49,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:44:49,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:44:49,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:44:49,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:44:49,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:44:49,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:44:49,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:44:49,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:44:49,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:44:49,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:44:49,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:44:49,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:44:49,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:44:49,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:44:49,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:44:49,706 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 20:44:49,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:44:49,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:44:49,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:44:49,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:44:49,735 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:44:49,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:44:49,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:44:49,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:44:49,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:44:49,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:44:49,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:44:49,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:44:49,738 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:44:49,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:44:49,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:44:49,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:44:49,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:44:49,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:44:49,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:44:49,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:44:49,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:44:49,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:44:49,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:44:49,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:44:49,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:44:49,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:44:50,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:44:50,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:44:50,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:44:50,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:44:50,171 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:44:50,172 INFO L432 ainManager$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+nlh-reducer.c [2021-01-06 20:44:50,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4654a4afb/2604e636a9834a8c851756fb7e72f7a7/FLAGf60a92020 [2021-01-06 20:44:51,168 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:44:51,169 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+nlh-reducer.c [2021-01-06 20:44:51,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4654a4afb/2604e636a9834a8c851756fb7e72f7a7/FLAGf60a92020 [2021-01-06 20:44:51,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4654a4afb/2604e636a9834a8c851756fb7e72f7a7 [2021-01-06 20:44:51,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:44:51,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:44:51,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:51,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:44:51,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:44:51,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:51" (1/1) ... [2021-01-06 20:44:51,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582b8f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:51, skipping insertion in model container [2021-01-06 20:44:51,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:51" (1/1) ... [2021-01-06 20:44:51,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:44:51,467 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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] 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[~node5__m5~0,] 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[~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_58704~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~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__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] 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__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_58892~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:44:51,722 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+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] 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__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] 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[~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_0~1,] 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_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] 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,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] 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_0~1,] 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_0~1,] 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[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,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[~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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:44:51,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:51,859 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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] 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[~node5__m5~0,] 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[~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_58704~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~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__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] 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__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_58892~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:44:51,939 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+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] 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__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] 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[~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_0~1,] 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_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] 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_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] 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,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] 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_0~1,] 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_0~1,] 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[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,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[~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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:44:51,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:52,016 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:44:52,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52 WrapperNode [2021-01-06 20:44:52,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:52,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:52,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:44:52,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:44:52,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:52,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:44:52,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:44:52,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:44:52,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (1/1) ... [2021-01-06 20:44:52,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:44:52,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:44:52,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:44:52,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:44:52,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (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 20:44:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:44:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:44:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:44:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:44:53,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:44:53,408 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:44:53,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:53 BoogieIcfgContainer [2021-01-06 20:44:53,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:44:53,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:44:53,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:44:53,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:44:53,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:44:51" (1/3) ... [2021-01-06 20:44:53,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb342a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:53, skipping insertion in model container [2021-01-06 20:44:53,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:52" (2/3) ... [2021-01-06 20:44:53,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb342a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:53, skipping insertion in model container [2021-01-06 20:44:53,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:53" (3/3) ... [2021-01-06 20:44:53,420 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-01-06 20:44:53,427 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:44:53,432 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:44:53,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:44:53,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:44:53,504 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:44:53,504 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:44:53,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:44:53,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:44:53,505 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:44:53,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:44:53,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:44:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2021-01-06 20:44:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 20:44:53,540 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:53,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:53,541 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:53,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:53,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1949123702, now seen corresponding path program 1 times [2021-01-06 20:44:53,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:53,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792067312] [2021-01-06 20:44:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:54,041 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 20:44:54,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792067312] [2021-01-06 20:44:54,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:54,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:54,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396726919] [2021-01-06 20:44:54,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:54,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:54,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:54,068 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2021-01-06 20:44:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:54,219 INFO L93 Difference]: Finished difference Result 436 states and 718 transitions. [2021-01-06 20:44:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:54,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 20:44:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:54,255 INFO L225 Difference]: With dead ends: 436 [2021-01-06 20:44:54,255 INFO L226 Difference]: Without dead ends: 328 [2021-01-06 20:44:54,266 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 20:44:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-01-06 20:44:54,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2021-01-06 20:44:54,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2021-01-06 20:44:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 490 transitions. [2021-01-06 20:44:54,349 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 490 transitions. Word has length 80 [2021-01-06 20:44:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:54,350 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 490 transitions. [2021-01-06 20:44:54,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 490 transitions. [2021-01-06 20:44:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:44:54,354 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:54,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:54,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:44:54,355 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:54,356 INFO L82 PathProgramCache]: Analyzing trace with hash 13403552, now seen corresponding path program 1 times [2021-01-06 20:44:54,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:54,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108083475] [2021-01-06 20:44:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:54,818 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 20:44:54,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108083475] [2021-01-06 20:44:54,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:54,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:44:54,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061947486] [2021-01-06 20:44:54,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:44:54,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:54,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:44:54,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:54,823 INFO L87 Difference]: Start difference. First operand 326 states and 490 transitions. Second operand 7 states. [2021-01-06 20:44:55,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:55,218 INFO L93 Difference]: Finished difference Result 1412 states and 2192 transitions. [2021-01-06 20:44:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:44:55,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2021-01-06 20:44:55,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:55,227 INFO L225 Difference]: With dead ends: 1412 [2021-01-06 20:44:55,227 INFO L226 Difference]: Without dead ends: 1166 [2021-01-06 20:44:55,230 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 20:44:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2021-01-06 20:44:55,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1158. [2021-01-06 20:44:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2021-01-06 20:44:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1791 transitions. [2021-01-06 20:44:55,318 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1791 transitions. Word has length 81 [2021-01-06 20:44:55,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:55,319 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 1791 transitions. [2021-01-06 20:44:55,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:44:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1791 transitions. [2021-01-06 20:44:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:44:55,326 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:55,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:55,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:44:55,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:55,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:55,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2050473049, now seen corresponding path program 1 times [2021-01-06 20:44:55,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:55,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431972329] [2021-01-06 20:44:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:55,465 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 20:44:55,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431972329] [2021-01-06 20:44:55,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:55,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:55,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273607466] [2021-01-06 20:44:55,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:44:55,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:55,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:44:55,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:44:55,469 INFO L87 Difference]: Start difference. First operand 1158 states and 1791 transitions. Second operand 6 states. [2021-01-06 20:44:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:56,017 INFO L93 Difference]: Finished difference Result 3853 states and 6046 transitions. [2021-01-06 20:44:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:56,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2021-01-06 20:44:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:56,033 INFO L225 Difference]: With dead ends: 3853 [2021-01-06 20:44:56,033 INFO L226 Difference]: Without dead ends: 2776 [2021-01-06 20:44:56,037 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 20:44:56,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2021-01-06 20:44:56,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2772. [2021-01-06 20:44:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2021-01-06 20:44:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4337 transitions. [2021-01-06 20:44:56,276 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4337 transitions. Word has length 82 [2021-01-06 20:44:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:56,277 INFO L481 AbstractCegarLoop]: Abstraction has 2772 states and 4337 transitions. [2021-01-06 20:44:56,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:44:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4337 transitions. [2021-01-06 20:44:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:44:56,281 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:56,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:56,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:44:56,282 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:56,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:56,283 INFO L82 PathProgramCache]: Analyzing trace with hash 269412074, now seen corresponding path program 1 times [2021-01-06 20:44:56,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:56,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208358458] [2021-01-06 20:44:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:56,399 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 20:44:56,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208358458] [2021-01-06 20:44:56,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:56,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:56,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435445647] [2021-01-06 20:44:56,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:56,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:56,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:56,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:56,405 INFO L87 Difference]: Start difference. First operand 2772 states and 4337 transitions. Second operand 5 states. [2021-01-06 20:44:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:57,080 INFO L93 Difference]: Finished difference Result 7771 states and 12233 transitions. [2021-01-06 20:44:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:57,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:44:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:57,108 INFO L225 Difference]: With dead ends: 7771 [2021-01-06 20:44:57,108 INFO L226 Difference]: Without dead ends: 5110 [2021-01-06 20:44:57,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:57,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2021-01-06 20:44:57,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 5108. [2021-01-06 20:44:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5108 states. [2021-01-06 20:44:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 7995 transitions. [2021-01-06 20:44:57,496 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 7995 transitions. Word has length 82 [2021-01-06 20:44:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:57,496 INFO L481 AbstractCegarLoop]: Abstraction has 5108 states and 7995 transitions. [2021-01-06 20:44:57,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 7995 transitions. [2021-01-06 20:44:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:44:57,500 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:57,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:57,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:44:57,501 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:57,502 INFO L82 PathProgramCache]: Analyzing trace with hash 778028859, now seen corresponding path program 1 times [2021-01-06 20:44:57,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:57,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231899607] [2021-01-06 20:44:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:57,604 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 20:44:57,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231899607] [2021-01-06 20:44:57,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:57,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:57,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085401536] [2021-01-06 20:44:57,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:57,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:57,607 INFO L87 Difference]: Start difference. First operand 5108 states and 7995 transitions. Second operand 5 states. [2021-01-06 20:44:58,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:58,527 INFO L93 Difference]: Finished difference Result 14709 states and 23134 transitions. [2021-01-06 20:44:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:58,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:44:58,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:58,582 INFO L225 Difference]: With dead ends: 14709 [2021-01-06 20:44:58,582 INFO L226 Difference]: Without dead ends: 9746 [2021-01-06 20:44:58,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9746 states. [2021-01-06 20:44:59,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9746 to 9744. [2021-01-06 20:44:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9744 states. [2021-01-06 20:44:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9744 states to 9744 states and 15256 transitions. [2021-01-06 20:44:59,386 INFO L78 Accepts]: Start accepts. Automaton has 9744 states and 15256 transitions. Word has length 82 [2021-01-06 20:44:59,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:59,386 INFO L481 AbstractCegarLoop]: Abstraction has 9744 states and 15256 transitions. [2021-01-06 20:44:59,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 9744 states and 15256 transitions. [2021-01-06 20:44:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:44:59,390 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:59,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:59,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:44:59,391 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:59,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:59,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1091254392, now seen corresponding path program 1 times [2021-01-06 20:44:59,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:59,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235089182] [2021-01-06 20:44:59,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:59,476 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 20:44:59,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235089182] [2021-01-06 20:44:59,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:59,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:59,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509083848] [2021-01-06 20:44:59,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:59,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:59,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:59,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:59,480 INFO L87 Difference]: Start difference. First operand 9744 states and 15256 transitions. Second operand 5 states. [2021-01-06 20:45:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:01,131 INFO L93 Difference]: Finished difference Result 28886 states and 45310 transitions. [2021-01-06 20:45:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:01,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:45:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:01,235 INFO L225 Difference]: With dead ends: 28886 [2021-01-06 20:45:01,236 INFO L226 Difference]: Without dead ends: 19200 [2021-01-06 20:45:01,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:01,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19200 states. [2021-01-06 20:45:02,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19200 to 19198. [2021-01-06 20:45:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19198 states. [2021-01-06 20:45:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19198 states to 19198 states and 29927 transitions. [2021-01-06 20:45:02,831 INFO L78 Accepts]: Start accepts. Automaton has 19198 states and 29927 transitions. Word has length 82 [2021-01-06 20:45:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:02,832 INFO L481 AbstractCegarLoop]: Abstraction has 19198 states and 29927 transitions. [2021-01-06 20:45:02,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19198 states and 29927 transitions. [2021-01-06 20:45:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:45:02,837 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:02,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:02,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:45:02,838 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:02,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:02,839 INFO L82 PathProgramCache]: Analyzing trace with hash 980453495, now seen corresponding path program 1 times [2021-01-06 20:45:02,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:02,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66423644] [2021-01-06 20:45:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:02,947 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 20:45:02,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66423644] [2021-01-06 20:45:02,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:02,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:45:02,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391284870] [2021-01-06 20:45:02,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:45:02,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:02,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:45:02,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:45:02,950 INFO L87 Difference]: Start difference. First operand 19198 states and 29927 transitions. Second operand 6 states. [2021-01-06 20:45:06,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:06,143 INFO L93 Difference]: Finished difference Result 71566 states and 111476 transitions. [2021-01-06 20:45:06,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:06,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2021-01-06 20:45:06,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:06,319 INFO L225 Difference]: With dead ends: 71566 [2021-01-06 20:45:06,319 INFO L226 Difference]: Without dead ends: 52410 [2021-01-06 20:45:06,351 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 20:45:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52410 states. [2021-01-06 20:45:09,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52410 to 52406. [2021-01-06 20:45:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52406 states. [2021-01-06 20:45:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52406 states to 52406 states and 81159 transitions. [2021-01-06 20:45:09,814 INFO L78 Accepts]: Start accepts. Automaton has 52406 states and 81159 transitions. Word has length 82 [2021-01-06 20:45:09,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:09,815 INFO L481 AbstractCegarLoop]: Abstraction has 52406 states and 81159 transitions. [2021-01-06 20:45:09,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:45:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52406 states and 81159 transitions. [2021-01-06 20:45:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:45:09,826 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:09,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:09,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:45:09,827 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:09,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:09,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1660254060, now seen corresponding path program 1 times [2021-01-06 20:45:09,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:09,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377821371] [2021-01-06 20:45:09,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:09,919 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 20:45:09,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377821371] [2021-01-06 20:45:09,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:09,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:45:09,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749903874] [2021-01-06 20:45:09,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:45:09,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:09,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:45:09,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:45:09,922 INFO L87 Difference]: Start difference. First operand 52406 states and 81159 transitions. Second operand 5 states. [2021-01-06 20:45:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:14,411 INFO L93 Difference]: Finished difference Result 98736 states and 152128 transitions. [2021-01-06 20:45:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:45:14,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:45:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:14,796 INFO L225 Difference]: With dead ends: 98736 [2021-01-06 20:45:14,797 INFO L226 Difference]: Without dead ends: 98734 [2021-01-06 20:45:14,842 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 20:45:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98734 states. [2021-01-06 20:45:18,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98734 to 53078. [2021-01-06 20:45:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53078 states. [2021-01-06 20:45:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53078 states to 53078 states and 81831 transitions. [2021-01-06 20:45:18,671 INFO L78 Accepts]: Start accepts. Automaton has 53078 states and 81831 transitions. Word has length 83 [2021-01-06 20:45:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:18,671 INFO L481 AbstractCegarLoop]: Abstraction has 53078 states and 81831 transitions. [2021-01-06 20:45:18,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 53078 states and 81831 transitions. [2021-01-06 20:45:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:45:18,684 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:18,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:45:18,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:45:18,685 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:18,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:18,685 INFO L82 PathProgramCache]: Analyzing trace with hash 207675476, now seen corresponding path program 1 times [2021-01-06 20:45:18,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:18,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540002300] [2021-01-06 20:45:18,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:18,990 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 20:45:18,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540002300] [2021-01-06 20:45:18,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:18,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:45:18,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435273103] [2021-01-06 20:45:18,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:45:18,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:18,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:45:18,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:45:18,993 INFO L87 Difference]: Start difference. First operand 53078 states and 81831 transitions. Second operand 10 states. [2021-01-06 20:45:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:45,149 INFO L93 Difference]: Finished difference Result 414855 states and 639286 transitions. [2021-01-06 20:45:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-06 20:45:45,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:45:45,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:46,170 INFO L225 Difference]: With dead ends: 414855 [2021-01-06 20:45:46,170 INFO L226 Difference]: Without dead ends: 383071 [2021-01-06 20:45:46,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=380, Invalid=1180, Unknown=0, NotChecked=0, Total=1560 [2021-01-06 20:45:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383071 states. [2021-01-06 20:45:53,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383071 to 53573. [2021-01-06 20:45:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53573 states. [2021-01-06 20:45:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53573 states to 53573 states and 82476 transitions. [2021-01-06 20:45:53,457 INFO L78 Accepts]: Start accepts. Automaton has 53573 states and 82476 transitions. Word has length 84 [2021-01-06 20:45:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:53,457 INFO L481 AbstractCegarLoop]: Abstraction has 53573 states and 82476 transitions. [2021-01-06 20:45:53,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:45:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 53573 states and 82476 transitions. [2021-01-06 20:45:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:45:53,471 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:53,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:53,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:45:53,472 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:53,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:53,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1543265332, now seen corresponding path program 1 times [2021-01-06 20:45:53,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:53,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175895646] [2021-01-06 20:45:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:53,708 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 20:45:53,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175895646] [2021-01-06 20:45:53,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:53,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:45:53,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044792374] [2021-01-06 20:45:53,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:45:53,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:53,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:45:53,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:45:53,711 INFO L87 Difference]: Start difference. First operand 53573 states and 82476 transitions. Second operand 10 states. [2021-01-06 20:46:10,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:10,176 INFO L93 Difference]: Finished difference Result 178775 states and 271878 transitions. [2021-01-06 20:46:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 20:46:10,177 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:46:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:10,629 INFO L225 Difference]: With dead ends: 178775 [2021-01-06 20:46:10,629 INFO L226 Difference]: Without dead ends: 160341 [2021-01-06 20:46:10,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:46:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160341 states. [2021-01-06 20:46:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160341 to 54587. [2021-01-06 20:46:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54587 states. [2021-01-06 20:46:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54587 states to 54587 states and 83920 transitions. [2021-01-06 20:46:16,738 INFO L78 Accepts]: Start accepts. Automaton has 54587 states and 83920 transitions. Word has length 84 [2021-01-06 20:46:16,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:16,738 INFO L481 AbstractCegarLoop]: Abstraction has 54587 states and 83920 transitions. [2021-01-06 20:46:16,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 54587 states and 83920 transitions. [2021-01-06 20:46:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:46:16,752 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:16,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:16,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:46:16,753 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:16,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:16,754 INFO L82 PathProgramCache]: Analyzing trace with hash 940384276, now seen corresponding path program 1 times [2021-01-06 20:46:16,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:16,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540356668] [2021-01-06 20:46:16,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:17,137 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 20:46:17,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540356668] [2021-01-06 20:46:17,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:17,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:17,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227709575] [2021-01-06 20:46:17,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:17,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:17,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:17,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:17,141 INFO L87 Difference]: Start difference. First operand 54587 states and 83920 transitions. Second operand 10 states. [2021-01-06 20:46:45,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:45,544 INFO L93 Difference]: Finished difference Result 285189 states and 436805 transitions. [2021-01-06 20:46:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 20:46:45,545 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:46:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:46,201 INFO L225 Difference]: With dead ends: 285189 [2021-01-06 20:46:46,202 INFO L226 Difference]: Without dead ends: 278513 [2021-01-06 20:46:46,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:46:46,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278513 states. [2021-01-06 20:46:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278513 to 54373. [2021-01-06 20:46:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54373 states. [2021-01-06 20:46:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54373 states to 54373 states and 83600 transitions. [2021-01-06 20:46:53,819 INFO L78 Accepts]: Start accepts. Automaton has 54373 states and 83600 transitions. Word has length 84 [2021-01-06 20:46:53,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:53,819 INFO L481 AbstractCegarLoop]: Abstraction has 54373 states and 83600 transitions. [2021-01-06 20:46:53,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 54373 states and 83600 transitions. [2021-01-06 20:46:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:46:53,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:53,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:53,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:46:53,829 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash -43340684, now seen corresponding path program 1 times [2021-01-06 20:46:53,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:53,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665950559] [2021-01-06 20:46:53,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:54,059 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 20:46:54,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665950559] [2021-01-06 20:46:54,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:54,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:54,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040931231] [2021-01-06 20:46:54,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:54,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:54,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:54,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:54,062 INFO L87 Difference]: Start difference. First operand 54373 states and 83600 transitions. Second operand 10 states. [2021-01-06 20:47:22,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:22,649 INFO L93 Difference]: Finished difference Result 266609 states and 406281 transitions. [2021-01-06 20:47:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 20:47:22,649 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:47:22,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:23,293 INFO L225 Difference]: With dead ends: 266609 [2021-01-06 20:47:23,293 INFO L226 Difference]: Without dead ends: 225677 [2021-01-06 20:47:23,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2021-01-06 20:47:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225677 states. [2021-01-06 20:47:32,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225677 to 54855. [2021-01-06 20:47:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54855 states. [2021-01-06 20:47:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54855 states to 54855 states and 84217 transitions. [2021-01-06 20:47:32,295 INFO L78 Accepts]: Start accepts. Automaton has 54855 states and 84217 transitions. Word has length 84 [2021-01-06 20:47:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:32,296 INFO L481 AbstractCegarLoop]: Abstraction has 54855 states and 84217 transitions. [2021-01-06 20:47:32,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 54855 states and 84217 transitions. [2021-01-06 20:47:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:47:32,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:32,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:32,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:47:32,308 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:32,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:32,309 INFO L82 PathProgramCache]: Analyzing trace with hash 558481556, now seen corresponding path program 1 times [2021-01-06 20:47:32,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:32,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370965916] [2021-01-06 20:47:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:32,563 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 20:47:32,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370965916] [2021-01-06 20:47:32,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:32,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:32,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786697949] [2021-01-06 20:47:32,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:32,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:32,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:32,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:32,566 INFO L87 Difference]: Start difference. First operand 54855 states and 84217 transitions. Second operand 10 states. [2021-01-06 20:47:37,793 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2021-01-06 20:48:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:20,027 INFO L93 Difference]: Finished difference Result 364040 states and 559487 transitions. [2021-01-06 20:48:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:48:20,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:48:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:20,600 INFO L225 Difference]: With dead ends: 364040 [2021-01-06 20:48:20,600 INFO L226 Difference]: Without dead ends: 311250 [2021-01-06 20:48:20,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:48:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311250 states. [2021-01-06 20:48:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311250 to 55235. [2021-01-06 20:48:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55235 states. [2021-01-06 20:48:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55235 states to 55235 states and 84649 transitions. [2021-01-06 20:48:31,118 INFO L78 Accepts]: Start accepts. Automaton has 55235 states and 84649 transitions. Word has length 84 [2021-01-06 20:48:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:31,118 INFO L481 AbstractCegarLoop]: Abstraction has 55235 states and 84649 transitions. [2021-01-06 20:48:31,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:48:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 55235 states and 84649 transitions. [2021-01-06 20:48:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:48:31,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:31,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:31,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:48:31,129 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:31,129 INFO L82 PathProgramCache]: Analyzing trace with hash -809169967, now seen corresponding path program 1 times [2021-01-06 20:48:31,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:31,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4363598] [2021-01-06 20:48:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:31,185 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 20:48:31,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4363598] [2021-01-06 20:48:31,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:31,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:48:31,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73652642] [2021-01-06 20:48:31,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:48:31,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:31,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:48:31,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:31,187 INFO L87 Difference]: Start difference. First operand 55235 states and 84649 transitions. Second operand 3 states. [2021-01-06 20:48:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:41,829 INFO L93 Difference]: Finished difference Result 89469 states and 137313 transitions. [2021-01-06 20:48:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:48:41,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 20:48:41,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:41,918 INFO L225 Difference]: With dead ends: 89469 [2021-01-06 20:48:41,919 INFO L226 Difference]: Without dead ends: 64997 [2021-01-06 20:48:41,940 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 20:48:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64997 states.