/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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:03:41,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:03:41,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:03:41,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:03:41,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:03:41,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:03:41,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:03:41,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:03:41,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:03:41,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:03:41,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:03:41,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:03:41,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:03:41,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:03:41,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:03:41,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:03:41,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:03:41,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:03:41,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:03:41,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:03:41,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:03:41,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:03:41,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:03:41,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:03:41,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 11:03:41,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 11:03:41,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 11:03:41,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 11:03:41,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 11:03:41,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 11:03:41,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:03:41,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:03:41,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:03:41,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:03:41,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:03:41,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:03:41,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:03:41,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:03:41,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:03:41,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:03:41,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:03:41,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 11:03:41,829 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:03:41,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:03:41,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:03:41,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:03:41,831 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:03:41,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:03:41,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:03:41,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:03:41,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:03:41,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:03:41,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:03:41,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:03:41,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:03:41,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:03:41,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:03:41,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:03:41,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:03:41,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:03:41,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:03:41,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:03:41,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:03:41,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:03:41,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:03:41,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:03:41,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:03:41,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:03:42,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:03:42,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:03:42,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:03:42,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:03:42,250 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:03:42,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-12-23 11:03:42,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3257322b/2e0ab516a3bb46bf843c257ac5427db6/FLAGec0a69fb0 [2020-12-23 11:03:43,351 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:03:43,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-12-23 11:03:43,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3257322b/2e0ab516a3bb46bf843c257ac5427db6/FLAGec0a69fb0 [2020-12-23 11:03:43,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3257322b/2e0ab516a3bb46bf843c257ac5427db6 [2020-12-23 11:03:43,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:03:43,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:03:43,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:03:43,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:03:43,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:03:43,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:03:43" (1/1) ... [2020-12-23 11:03:43,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc98c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:43, skipping insertion in model container [2020-12-23 11:03:43,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:03:43" (1/1) ... [2020-12-23 11:03:43,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:03:43,697 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_2937~0,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[~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[~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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4605~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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[~p4_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[~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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_3109~0,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,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3118_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_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[~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[~__tmp_3187_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_3195~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:03:44,182 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9017,9030] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3118_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,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[~st3~0,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[~st2~0,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[~st1~0,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[~__return_3122~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_3470~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:03:44,240 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12509,12522] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~3,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~3,] 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[~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[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_3661~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 11:03:44,263 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[13665,13678] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_3835~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:03:44,274 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14321,14334] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] 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__m4~4,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~4,] 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[~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[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_4046~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 11:03:44,288 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[15842,15855] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_4230~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:03:44,295 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16498,16511] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~5,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~5,] 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[~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[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_4410~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] [2020-12-23 11:03:44,303 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17482,17495] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_4576~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~6,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~6,] 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[~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[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_3380~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] [2020-12-23 11:03:44,321 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19820,19833] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_3543~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] [2020-12-23 11:03:44,328 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20479,20492] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~7,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~7,] 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[~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[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_3746~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] [2020-12-23 11:03:44,338 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21503,21516] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_3910~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~8,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~8,] 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[~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[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_4143~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] [2020-12-23 11:03:44,383 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23378,23391] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_4303~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~9,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~9,] 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[~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[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_4495~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~__tmp_3187_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,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[~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[~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[~check__tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__return_4538~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~10,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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[~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[~check__tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__return_4445~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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[~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[~check__tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__return_4360~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~11,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~3,] 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[~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[~check__tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__return_4265~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_17~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~16,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~3,] 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[~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[~check__tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__return_4192~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_18~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~17,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~12,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~4,] 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[~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[~check__tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__return_4081~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~18,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~4,] 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[~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[~check__tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__return_3981~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_20~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~19,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~13,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~5,] 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[~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[~check__tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__return_3872~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_21~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~20,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~5,] 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[~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[~check__tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__return_3797~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_22~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~21,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~14,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~6,] 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[~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[~check__tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~__return_3696~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_23~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~22,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~6,] 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[~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[~check__tmp~27,] left hand side expression in assignment: lhs: VariableLHS[~__return_3608~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_24~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~23,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~15,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~7,] 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[~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[~check__tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~__return_3505~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_25~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~24,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~7,] 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[~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[~check__tmp~29,] left hand side expression in assignment: lhs: VariableLHS[~__return_3429~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_26~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~25,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~16,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~8,] 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[~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[~check__tmp~30,] left hand side expression in assignment: lhs: VariableLHS[~__return_3302~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_27~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~26,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~8,] 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[~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[~check__tmp~31,] left hand side expression in assignment: lhs: VariableLHS[~__return_3028~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_28~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~27,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] [2020-12-23 11:03:44,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:03:44,547 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_2937~0,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[~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[~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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4605~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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[~p4_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[~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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_3109~0,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,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3118_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_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[~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[~__tmp_3187_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_3195~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:03:44,661 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9017,9030] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3118_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,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[~st3~0,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[~st2~0,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[~st1~0,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[~__return_3122~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_3470~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:03:44,677 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12509,12522] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~3,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~3,] 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[~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[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_3661~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 11:03:44,692 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[13665,13678] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_3835~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:03:44,697 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14321,14334] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] 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__m4~4,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~4,] 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[~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[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_4046~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 11:03:44,705 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[15842,15855] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_4230~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:03:44,711 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16498,16511] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~5,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~5,] 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[~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[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_4410~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] [2020-12-23 11:03:44,717 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17482,17495] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_4576~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~6,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~6,] 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[~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[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_3380~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] [2020-12-23 11:03:44,730 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19820,19833] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_3543~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] [2020-12-23 11:03:44,735 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20479,20492] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~7,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~7,] 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[~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[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_3746~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] [2020-12-23 11:03:44,741 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21503,21516] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3202_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_3910~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~8,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~8,] 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[~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[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_4143~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] [2020-12-23 11:03:44,760 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23378,23391] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_4303~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~9,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~9,] 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[~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[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_4495~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3196_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~__tmp_3187_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,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[~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[~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[~check__tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__return_4538~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~10,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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[~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[~check__tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__return_4445~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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[~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[~check__tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__return_4360~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~11,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~3,] 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[~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[~check__tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__return_4265~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_17~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~16,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~3,] 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[~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[~check__tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__return_4192~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_18~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~17,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~12,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~4,] 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[~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[~check__tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__return_4081~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~18,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~4,] 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[~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[~check__tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__return_3981~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_20~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~19,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~13,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~5,] 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[~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[~check__tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__return_3872~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_21~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~20,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~5,] 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[~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[~check__tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__return_3797~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_22~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~21,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~14,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~6,] 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[~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[~check__tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~__return_3696~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_23~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~22,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~6,] 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[~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[~check__tmp~27,] left hand side expression in assignment: lhs: VariableLHS[~__return_3608~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_24~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~23,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~15,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~7,] 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[~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[~check__tmp~28,] left hand side expression in assignment: lhs: VariableLHS[~__return_3505~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_25~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~24,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~7,] 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[~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[~check__tmp~29,] left hand side expression in assignment: lhs: VariableLHS[~__return_3429~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_26~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~25,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~16,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~8,] 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[~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[~check__tmp~30,] left hand side expression in assignment: lhs: VariableLHS[~__return_3302~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_27~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~26,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~8,] 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[~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[~check__tmp~31,] left hand side expression in assignment: lhs: VariableLHS[~__return_3028~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_28~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~27,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3038_0~0,GLOBAL] [2020-12-23 11:03:44,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:03:44,916 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:03:44,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44 WrapperNode [2020-12-23 11:03:44,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:03:44,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:03:44,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:03:44,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:03:44,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:44,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:03:45,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:03:45,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:03:45,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:03:45,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... [2020-12-23 11:03:45,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:03:45,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:03:45,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:03:45,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:03:45,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:03:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:03:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:03:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:03:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:03:47,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:03:47,171 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 11:03:47,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:03:47 BoogieIcfgContainer [2020-12-23 11:03:47,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:03:47,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:03:47,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:03:47,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:03:47,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:03:43" (1/3) ... [2020-12-23 11:03:47,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675df7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:03:47, skipping insertion in model container [2020-12-23 11:03:47,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:03:44" (2/3) ... [2020-12-23 11:03:47,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675df7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:03:47, skipping insertion in model container [2020-12-23 11:03:47,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:03:47" (3/3) ... [2020-12-23 11:03:47,182 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-12-23 11:03:47,188 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:03:47,194 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-23 11:03:47,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-23 11:03:47,243 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:03:47,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:03:47,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:03:47,244 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:03:47,244 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:03:47,244 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:03:47,244 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:03:47,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:03:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states. [2020-12-23 11:03:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 11:03:47,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:47,285 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] [2020-12-23 11:03:47,286 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:47,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1374718599, now seen corresponding path program 1 times [2020-12-23 11:03:47,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:47,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825195695] [2020-12-23 11:03:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:47,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825195695] [2020-12-23 11:03:47,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:47,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:03:47,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769377] [2020-12-23 11:03:47,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:03:47,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:47,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:03:47,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:03:47,777 INFO L87 Difference]: Start difference. First operand 358 states. Second operand 5 states. [2020-12-23 11:03:48,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:48,340 INFO L93 Difference]: Finished difference Result 704 states and 1191 transitions. [2020-12-23 11:03:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:03:48,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 11:03:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:48,362 INFO L225 Difference]: With dead ends: 704 [2020-12-23 11:03:48,362 INFO L226 Difference]: Without dead ends: 428 [2020-12-23 11:03:48,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:03:48,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-12-23 11:03:48,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 386. [2020-12-23 11:03:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-12-23 11:03:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 508 transitions. [2020-12-23 11:03:48,451 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 508 transitions. Word has length 59 [2020-12-23 11:03:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:48,452 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 508 transitions. [2020-12-23 11:03:48,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:03:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 508 transitions. [2020-12-23 11:03:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 11:03:48,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:48,459 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] [2020-12-23 11:03:48,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:03:48,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:48,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2133391140, now seen corresponding path program 1 times [2020-12-23 11:03:48,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:48,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335034352] [2020-12-23 11:03:48,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:48,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335034352] [2020-12-23 11:03:48,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:48,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:03:48,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069592397] [2020-12-23 11:03:48,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:03:48,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:48,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:03:48,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:03:48,760 INFO L87 Difference]: Start difference. First operand 386 states and 508 transitions. Second operand 6 states. [2020-12-23 11:03:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:49,096 INFO L93 Difference]: Finished difference Result 844 states and 1132 transitions. [2020-12-23 11:03:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:03:49,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-12-23 11:03:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:49,101 INFO L225 Difference]: With dead ends: 844 [2020-12-23 11:03:49,101 INFO L226 Difference]: Without dead ends: 529 [2020-12-23 11:03:49,104 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 [2020-12-23 11:03:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-12-23 11:03:49,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 489. [2020-12-23 11:03:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-12-23 11:03:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2020-12-23 11:03:49,145 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 60 [2020-12-23 11:03:49,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:49,145 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2020-12-23 11:03:49,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:03:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2020-12-23 11:03:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 11:03:49,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:49,148 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] [2020-12-23 11:03:49,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:03:49,149 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:49,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:49,149 INFO L82 PathProgramCache]: Analyzing trace with hash 626465560, now seen corresponding path program 1 times [2020-12-23 11:03:49,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:49,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037725096] [2020-12-23 11:03:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:49,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037725096] [2020-12-23 11:03:49,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:49,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:03:49,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124619477] [2020-12-23 11:03:49,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:03:49,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:49,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:03:49,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:03:49,318 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand 5 states. [2020-12-23 11:03:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:49,601 INFO L93 Difference]: Finished difference Result 907 states and 1252 transitions. [2020-12-23 11:03:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:03:49,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 11:03:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:49,605 INFO L225 Difference]: With dead ends: 907 [2020-12-23 11:03:49,605 INFO L226 Difference]: Without dead ends: 473 [2020-12-23 11:03:49,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:03:49,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-23 11:03:49,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2020-12-23 11:03:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 11:03:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 641 transitions. [2020-12-23 11:03:49,647 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 641 transitions. Word has length 61 [2020-12-23 11:03:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:49,649 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 641 transitions. [2020-12-23 11:03:49,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:03:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 641 transitions. [2020-12-23 11:03:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 11:03:49,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:49,654 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] [2020-12-23 11:03:49,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:03:49,656 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:49,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1648270779, now seen corresponding path program 1 times [2020-12-23 11:03:49,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:49,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797631225] [2020-12-23 11:03:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:49,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797631225] [2020-12-23 11:03:49,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:49,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:03:49,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24520794] [2020-12-23 11:03:49,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:03:49,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:49,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:03:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:03:49,823 INFO L87 Difference]: Start difference. First operand 473 states and 641 transitions. Second operand 5 states. [2020-12-23 11:03:50,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:50,058 INFO L93 Difference]: Finished difference Result 891 states and 1226 transitions. [2020-12-23 11:03:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:03:50,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 11:03:50,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:50,062 INFO L225 Difference]: With dead ends: 891 [2020-12-23 11:03:50,063 INFO L226 Difference]: Without dead ends: 462 [2020-12-23 11:03:50,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:03:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-12-23 11:03:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2020-12-23 11:03:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 625 transitions. [2020-12-23 11:03:50,093 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 625 transitions. Word has length 62 [2020-12-23 11:03:50,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:50,094 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 625 transitions. [2020-12-23 11:03:50,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:03:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 625 transitions. [2020-12-23 11:03:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 11:03:50,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:50,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:03:50,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 11:03:50,096 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:50,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1176799625, now seen corresponding path program 1 times [2020-12-23 11:03:50,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:50,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465234662] [2020-12-23 11:03:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:50,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465234662] [2020-12-23 11:03:50,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:50,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:03:50,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538911365] [2020-12-23 11:03:50,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:03:50,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:50,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:03:50,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:03:50,316 INFO L87 Difference]: Start difference. First operand 462 states and 625 transitions. Second operand 9 states. [2020-12-23 11:03:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:51,488 INFO L93 Difference]: Finished difference Result 1442 states and 2048 transitions. [2020-12-23 11:03:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:03:51,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-12-23 11:03:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:51,496 INFO L225 Difference]: With dead ends: 1442 [2020-12-23 11:03:51,496 INFO L226 Difference]: Without dead ends: 1196 [2020-12-23 11:03:51,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:03:51,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-12-23 11:03:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 462. [2020-12-23 11:03:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 624 transitions. [2020-12-23 11:03:51,545 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 624 transitions. Word has length 63 [2020-12-23 11:03:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:51,546 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 624 transitions. [2020-12-23 11:03:51,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:03:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 624 transitions. [2020-12-23 11:03:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 11:03:51,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:51,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:03:51,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 11:03:51,548 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:51,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1585644853, now seen corresponding path program 1 times [2020-12-23 11:03:51,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:51,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135609339] [2020-12-23 11:03:51,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:51,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135609339] [2020-12-23 11:03:51,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:51,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:03:51,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556272903] [2020-12-23 11:03:51,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:03:51,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:51,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:03:51,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:03:51,721 INFO L87 Difference]: Start difference. First operand 462 states and 624 transitions. Second operand 9 states. [2020-12-23 11:03:52,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:52,686 INFO L93 Difference]: Finished difference Result 1441 states and 2051 transitions. [2020-12-23 11:03:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:03:52,688 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-12-23 11:03:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:52,700 INFO L225 Difference]: With dead ends: 1441 [2020-12-23 11:03:52,700 INFO L226 Difference]: Without dead ends: 1221 [2020-12-23 11:03:52,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:03:52,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-12-23 11:03:52,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 462. [2020-12-23 11:03:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 623 transitions. [2020-12-23 11:03:52,749 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 623 transitions. Word has length 63 [2020-12-23 11:03:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:52,750 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 623 transitions. [2020-12-23 11:03:52,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:03:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 623 transitions. [2020-12-23 11:03:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 11:03:52,751 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:52,751 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] [2020-12-23 11:03:52,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 11:03:52,751 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:52,752 INFO L82 PathProgramCache]: Analyzing trace with hash 202563885, now seen corresponding path program 1 times [2020-12-23 11:03:52,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:52,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425516384] [2020-12-23 11:03:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:52,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425516384] [2020-12-23 11:03:52,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:52,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:03:52,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979082120] [2020-12-23 11:03:52,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:03:52,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:52,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:03:52,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:03:52,948 INFO L87 Difference]: Start difference. First operand 462 states and 623 transitions. Second operand 9 states. [2020-12-23 11:03:54,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:54,019 INFO L93 Difference]: Finished difference Result 1482 states and 2094 transitions. [2020-12-23 11:03:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:03:54,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-12-23 11:03:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:54,026 INFO L225 Difference]: With dead ends: 1482 [2020-12-23 11:03:54,026 INFO L226 Difference]: Without dead ends: 1196 [2020-12-23 11:03:54,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:03:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-12-23 11:03:54,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 462. [2020-12-23 11:03:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 621 transitions. [2020-12-23 11:03:54,083 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 621 transitions. Word has length 63 [2020-12-23 11:03:54,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:54,084 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 621 transitions. [2020-12-23 11:03:54,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:03:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 621 transitions. [2020-12-23 11:03:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 11:03:54,085 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:54,085 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] [2020-12-23 11:03:54,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 11:03:54,086 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:54,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:54,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1398072207, now seen corresponding path program 1 times [2020-12-23 11:03:54,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:54,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769083684] [2020-12-23 11:03:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:54,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769083684] [2020-12-23 11:03:54,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:54,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:03:54,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611843256] [2020-12-23 11:03:54,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:03:54,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:54,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:03:54,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:03:54,243 INFO L87 Difference]: Start difference. First operand 462 states and 621 transitions. Second operand 8 states. [2020-12-23 11:03:54,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:54,821 INFO L93 Difference]: Finished difference Result 1104 states and 1534 transitions. [2020-12-23 11:03:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 11:03:54,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-12-23 11:03:54,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:54,826 INFO L225 Difference]: With dead ends: 1104 [2020-12-23 11:03:54,826 INFO L226 Difference]: Without dead ends: 810 [2020-12-23 11:03:54,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-12-23 11:03:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-12-23 11:03:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 462. [2020-12-23 11:03:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 620 transitions. [2020-12-23 11:03:54,875 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 620 transitions. Word has length 63 [2020-12-23 11:03:54,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:54,875 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 620 transitions. [2020-12-23 11:03:54,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:03:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 620 transitions. [2020-12-23 11:03:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:03:54,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:54,877 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] [2020-12-23 11:03:54,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 11:03:54,877 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:54,878 INFO L82 PathProgramCache]: Analyzing trace with hash -620136770, now seen corresponding path program 1 times [2020-12-23 11:03:54,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:54,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034711255] [2020-12-23 11:03:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:55,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034711255] [2020-12-23 11:03:55,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:55,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:03:55,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558744651] [2020-12-23 11:03:55,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:03:55,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:55,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:03:55,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:03:55,016 INFO L87 Difference]: Start difference. First operand 462 states and 620 transitions. Second operand 9 states. [2020-12-23 11:03:56,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:56,149 INFO L93 Difference]: Finished difference Result 1410 states and 1998 transitions. [2020-12-23 11:03:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:03:56,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-12-23 11:03:56,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:56,156 INFO L225 Difference]: With dead ends: 1410 [2020-12-23 11:03:56,156 INFO L226 Difference]: Without dead ends: 1197 [2020-12-23 11:03:56,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:03:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-12-23 11:03:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 462. [2020-12-23 11:03:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:03:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 619 transitions. [2020-12-23 11:03:56,235 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 619 transitions. Word has length 65 [2020-12-23 11:03:56,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:56,235 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 619 transitions. [2020-12-23 11:03:56,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:03:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 619 transitions. [2020-12-23 11:03:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:03:56,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:56,236 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] [2020-12-23 11:03:56,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 11:03:56,237 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:56,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:56,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1292060332, now seen corresponding path program 1 times [2020-12-23 11:03:56,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:56,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060376941] [2020-12-23 11:03:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:56,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060376941] [2020-12-23 11:03:56,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:03:56,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:03:56,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71021240] [2020-12-23 11:03:56,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:03:56,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:56,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:03:56,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:03:56,454 INFO L87 Difference]: Start difference. First operand 462 states and 619 transitions. Second operand 11 states. [2020-12-23 11:03:59,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:59,772 INFO L93 Difference]: Finished difference Result 3455 states and 4993 transitions. [2020-12-23 11:03:59,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 11:03:59,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-12-23 11:03:59,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:59,789 INFO L225 Difference]: With dead ends: 3455 [2020-12-23 11:03:59,789 INFO L226 Difference]: Without dead ends: 3230 [2020-12-23 11:03:59,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=374, Invalid=1186, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 11:03:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2020-12-23 11:03:59,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 466. [2020-12-23 11:03:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-12-23 11:03:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 623 transitions. [2020-12-23 11:03:59,916 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 623 transitions. Word has length 65 [2020-12-23 11:03:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:59,916 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 623 transitions. [2020-12-23 11:03:59,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:03:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 623 transitions. [2020-12-23 11:03:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:03:59,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:59,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:03:59,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:03:59,918 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:59,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash -109241464, now seen corresponding path program 1 times [2020-12-23 11:03:59,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:59,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421036762] [2020-12-23 11:03:59,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:00,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421036762] [2020-12-23 11:04:00,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:00,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:04:00,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683421331] [2020-12-23 11:04:00,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:04:00,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:00,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:04:00,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:04:00,065 INFO L87 Difference]: Start difference. First operand 466 states and 623 transitions. Second operand 9 states. [2020-12-23 11:04:01,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:01,264 INFO L93 Difference]: Finished difference Result 1411 states and 1998 transitions. [2020-12-23 11:04:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:04:01,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-12-23 11:04:01,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:01,271 INFO L225 Difference]: With dead ends: 1411 [2020-12-23 11:04:01,272 INFO L226 Difference]: Without dead ends: 1201 [2020-12-23 11:04:01,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:04:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-12-23 11:04:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 466. [2020-12-23 11:04:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-12-23 11:04:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 622 transitions. [2020-12-23 11:04:01,366 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 622 transitions. Word has length 65 [2020-12-23 11:04:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:01,366 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 622 transitions. [2020-12-23 11:04:01,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:04:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 622 transitions. [2020-12-23 11:04:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:04:01,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:01,367 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] [2020-12-23 11:04:01,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:04:01,368 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:01,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1375273345, now seen corresponding path program 1 times [2020-12-23 11:04:01,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:01,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634712822] [2020-12-23 11:04:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:01,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634712822] [2020-12-23 11:04:01,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:01,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:04:01,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583652701] [2020-12-23 11:04:01,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:04:01,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:01,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:04:01,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:04:01,571 INFO L87 Difference]: Start difference. First operand 466 states and 622 transitions. Second operand 11 states. [2020-12-23 11:04:04,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:04,156 INFO L93 Difference]: Finished difference Result 2307 states and 3302 transitions. [2020-12-23 11:04:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:04:04,156 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-12-23 11:04:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:04,168 INFO L225 Difference]: With dead ends: 2307 [2020-12-23 11:04:04,168 INFO L226 Difference]: Without dead ends: 2302 [2020-12-23 11:04:04,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:04:04,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2020-12-23 11:04:04,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 470. [2020-12-23 11:04:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-12-23 11:04:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 626 transitions. [2020-12-23 11:04:04,275 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 626 transitions. Word has length 65 [2020-12-23 11:04:04,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:04,276 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 626 transitions. [2020-12-23 11:04:04,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:04:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 626 transitions. [2020-12-23 11:04:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:04:04,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:04,277 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] [2020-12-23 11:04:04,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 11:04:04,277 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:04,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:04,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2058271748, now seen corresponding path program 1 times [2020-12-23 11:04:04,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:04,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189340099] [2020-12-23 11:04:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:04,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189340099] [2020-12-23 11:04:04,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:04,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:04:04,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861412221] [2020-12-23 11:04:04,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:04:04,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:04,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:04:04,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:04:04,418 INFO L87 Difference]: Start difference. First operand 470 states and 626 transitions. Second operand 9 states. [2020-12-23 11:04:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:05,654 INFO L93 Difference]: Finished difference Result 1206 states and 1685 transitions. [2020-12-23 11:04:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:04:05,654 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-12-23 11:04:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:05,659 INFO L225 Difference]: With dead ends: 1206 [2020-12-23 11:04:05,660 INFO L226 Difference]: Without dead ends: 1201 [2020-12-23 11:04:05,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:04:05,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-12-23 11:04:05,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 470. [2020-12-23 11:04:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-12-23 11:04:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 624 transitions. [2020-12-23 11:04:05,765 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 624 transitions. Word has length 65 [2020-12-23 11:04:05,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:05,765 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 624 transitions. [2020-12-23 11:04:05,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:04:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 624 transitions. [2020-12-23 11:04:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 11:04:05,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:05,767 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] [2020-12-23 11:04:05,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 11:04:05,767 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:05,768 INFO L82 PathProgramCache]: Analyzing trace with hash -324498446, now seen corresponding path program 1 times [2020-12-23 11:04:05,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:05,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548586543] [2020-12-23 11:04:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:05,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548586543] [2020-12-23 11:04:05,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:05,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:04:05,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358838738] [2020-12-23 11:04:05,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:04:05,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:05,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:04:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:04:05,911 INFO L87 Difference]: Start difference. First operand 470 states and 624 transitions. Second operand 9 states. [2020-12-23 11:04:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:07,221 INFO L93 Difference]: Finished difference Result 1242 states and 1736 transitions. [2020-12-23 11:04:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:04:07,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-12-23 11:04:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:07,228 INFO L225 Difference]: With dead ends: 1242 [2020-12-23 11:04:07,228 INFO L226 Difference]: Without dead ends: 1225 [2020-12-23 11:04:07,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:04:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-12-23 11:04:07,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 470. [2020-12-23 11:04:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-12-23 11:04:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 622 transitions. [2020-12-23 11:04:07,332 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 622 transitions. Word has length 65 [2020-12-23 11:04:07,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:07,332 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 622 transitions. [2020-12-23 11:04:07,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:04:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 622 transitions. [2020-12-23 11:04:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 11:04:07,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:07,333 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] [2020-12-23 11:04:07,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 11:04:07,334 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:07,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:07,334 INFO L82 PathProgramCache]: Analyzing trace with hash 50031272, now seen corresponding path program 1 times [2020-12-23 11:04:07,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:07,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222109714] [2020-12-23 11:04:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:07,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222109714] [2020-12-23 11:04:07,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:07,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:04:07,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712371673] [2020-12-23 11:04:07,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:04:07,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:07,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:04:07,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:04:07,466 INFO L87 Difference]: Start difference. First operand 470 states and 622 transitions. Second operand 9 states. [2020-12-23 11:04:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:08,851 INFO L93 Difference]: Finished difference Result 1206 states and 1681 transitions. [2020-12-23 11:04:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:04:08,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-12-23 11:04:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:08,859 INFO L225 Difference]: With dead ends: 1206 [2020-12-23 11:04:08,860 INFO L226 Difference]: Without dead ends: 1201 [2020-12-23 11:04:08,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:04:08,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-12-23 11:04:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 466. [2020-12-23 11:04:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-12-23 11:04:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 617 transitions. [2020-12-23 11:04:08,997 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 617 transitions. Word has length 66 [2020-12-23 11:04:08,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:08,997 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 617 transitions. [2020-12-23 11:04:08,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:04:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2020-12-23 11:04:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 11:04:08,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:08,999 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] [2020-12-23 11:04:08,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 11:04:08,999 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:08,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:09,000 INFO L82 PathProgramCache]: Analyzing trace with hash -849466761, now seen corresponding path program 1 times [2020-12-23 11:04:09,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:09,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808476976] [2020-12-23 11:04:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:09,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808476976] [2020-12-23 11:04:09,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:09,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:04:09,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955849952] [2020-12-23 11:04:09,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:04:09,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:09,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:04:09,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:04:09,131 INFO L87 Difference]: Start difference. First operand 466 states and 617 transitions. Second operand 9 states. [2020-12-23 11:04:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:10,284 INFO L93 Difference]: Finished difference Result 1446 states and 2043 transitions. [2020-12-23 11:04:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:04:10,285 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-12-23 11:04:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:10,291 INFO L225 Difference]: With dead ends: 1446 [2020-12-23 11:04:10,291 INFO L226 Difference]: Without dead ends: 1221 [2020-12-23 11:04:10,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:04:10,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-12-23 11:04:10,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 462. [2020-12-23 11:04:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-12-23 11:04:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 612 transitions. [2020-12-23 11:04:10,390 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 612 transitions. Word has length 66 [2020-12-23 11:04:10,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:10,390 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 612 transitions. [2020-12-23 11:04:10,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:04:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 612 transitions. [2020-12-23 11:04:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:10,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:10,391 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] [2020-12-23 11:04:10,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 11:04:10,392 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:10,392 INFO L82 PathProgramCache]: Analyzing trace with hash -809481061, now seen corresponding path program 1 times [2020-12-23 11:04:10,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:10,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247624293] [2020-12-23 11:04:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:11,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247624293] [2020-12-23 11:04:11,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:11,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-12-23 11:04:11,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827942025] [2020-12-23 11:04:11,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 11:04:11,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:11,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 11:04:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:04:11,211 INFO L87 Difference]: Start difference. First operand 462 states and 612 transitions. Second operand 22 states. [2020-12-23 11:04:11,529 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2020-12-23 11:04:12,375 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-12-23 11:04:12,578 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-23 11:04:12,824 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-12-23 11:04:13,011 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-23 11:04:13,187 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-23 11:04:13,496 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-12-23 11:04:13,660 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-12-23 11:04:14,816 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-12-23 11:04:15,782 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-23 11:04:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:17,066 INFO L93 Difference]: Finished difference Result 1636 states and 2281 transitions. [2020-12-23 11:04:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 11:04:17,066 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 67 [2020-12-23 11:04:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:17,073 INFO L225 Difference]: With dead ends: 1636 [2020-12-23 11:04:17,074 INFO L226 Difference]: Without dead ends: 1424 [2020-12-23 11:04:17,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=355, Invalid=1537, Unknown=0, NotChecked=0, Total=1892 [2020-12-23 11:04:17,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-12-23 11:04:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 473. [2020-12-23 11:04:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 11:04:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 626 transitions. [2020-12-23 11:04:17,201 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 626 transitions. Word has length 67 [2020-12-23 11:04:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:17,201 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 626 transitions. [2020-12-23 11:04:17,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 11:04:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 626 transitions. [2020-12-23 11:04:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:17,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:17,203 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] [2020-12-23 11:04:17,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 11:04:17,203 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:17,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:17,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1704969087, now seen corresponding path program 1 times [2020-12-23 11:04:17,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:17,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392937956] [2020-12-23 11:04:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:18,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392937956] [2020-12-23 11:04:18,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:18,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-23 11:04:18,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240148527] [2020-12-23 11:04:18,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-23 11:04:18,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-23 11:04:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-12-23 11:04:18,343 INFO L87 Difference]: Start difference. First operand 473 states and 626 transitions. Second operand 24 states. [2020-12-23 11:04:18,774 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2020-12-23 11:04:19,338 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-23 11:04:19,539 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-12-23 11:04:19,738 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-23 11:04:20,097 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 11:04:20,433 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-12-23 11:04:20,800 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-12-23 11:04:21,094 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-23 11:04:21,384 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-23 11:04:21,664 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-23 11:04:22,001 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-12-23 11:04:22,277 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-23 11:04:26,279 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-12-23 11:04:27,130 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-23 11:04:27,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:27,583 INFO L93 Difference]: Finished difference Result 2296 states and 3316 transitions. [2020-12-23 11:04:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 11:04:27,584 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 67 [2020-12-23 11:04:27,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:27,594 INFO L225 Difference]: With dead ends: 2296 [2020-12-23 11:04:27,594 INFO L226 Difference]: Without dead ends: 2081 [2020-12-23 11:04:27,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=402, Invalid=1668, Unknown=0, NotChecked=0, Total=2070 [2020-12-23 11:04:27,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2081 states. [2020-12-23 11:04:27,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2081 to 478. [2020-12-23 11:04:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-12-23 11:04:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 632 transitions. [2020-12-23 11:04:27,742 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 632 transitions. Word has length 67 [2020-12-23 11:04:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:27,743 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 632 transitions. [2020-12-23 11:04:27,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-23 11:04:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 632 transitions. [2020-12-23 11:04:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:27,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:27,744 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] [2020-12-23 11:04:27,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 11:04:27,745 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:27,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:27,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1258064571, now seen corresponding path program 1 times [2020-12-23 11:04:27,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:27,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906491625] [2020-12-23 11:04:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:29,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906491625] [2020-12-23 11:04:29,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:29,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-12-23 11:04:29,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289266547] [2020-12-23 11:04:29,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 11:04:29,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 11:04:29,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:04:29,013 INFO L87 Difference]: Start difference. First operand 478 states and 632 transitions. Second operand 25 states. [2020-12-23 11:04:29,535 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2020-12-23 11:04:30,355 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-12-23 11:04:30,566 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 11:04:30,776 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-12-23 11:04:31,185 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 11:04:31,522 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2020-12-23 11:04:31,912 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-12-23 11:04:32,214 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-23 11:04:32,511 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-23 11:04:32,812 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-23 11:04:33,184 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-12-23 11:04:33,482 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-23 11:04:33,694 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-12-23 11:04:33,952 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-23 11:04:34,286 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-23 11:04:34,592 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-23 11:04:34,920 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-23 11:04:35,129 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-23 11:04:35,467 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-23 11:04:35,771 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 11:04:38,926 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-23 11:04:39,818 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-12-23 11:04:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:40,838 INFO L93 Difference]: Finished difference Result 2343 states and 3386 transitions. [2020-12-23 11:04:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 11:04:40,839 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 67 [2020-12-23 11:04:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:40,853 INFO L225 Difference]: With dead ends: 2343 [2020-12-23 11:04:40,853 INFO L226 Difference]: Without dead ends: 2132 [2020-12-23 11:04:40,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=555, Invalid=2201, Unknown=0, NotChecked=0, Total=2756 [2020-12-23 11:04:40,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2020-12-23 11:04:41,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 475. [2020-12-23 11:04:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-12-23 11:04:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 628 transitions. [2020-12-23 11:04:41,031 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 628 transitions. Word has length 67 [2020-12-23 11:04:41,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:41,031 INFO L481 AbstractCegarLoop]: Abstraction has 475 states and 628 transitions. [2020-12-23 11:04:41,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 11:04:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 628 transitions. [2020-12-23 11:04:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:41,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:41,033 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] [2020-12-23 11:04:41,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 11:04:41,033 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:41,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1868195616, now seen corresponding path program 1 times [2020-12-23 11:04:41,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:41,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400871265] [2020-12-23 11:04:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:42,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400871265] [2020-12-23 11:04:42,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:42,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-12-23 11:04:42,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558088185] [2020-12-23 11:04:42,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 11:04:42,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:42,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 11:04:42,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:04:42,101 INFO L87 Difference]: Start difference. First operand 475 states and 628 transitions. Second operand 23 states. [2020-12-23 11:04:42,586 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2020-12-23 11:04:43,260 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-23 11:04:43,465 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-12-23 11:04:43,681 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-23 11:04:44,075 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-23 11:04:44,399 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-12-23 11:04:44,787 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-12-23 11:04:45,092 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-12-23 11:04:45,381 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-12-23 11:04:45,897 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-12-23 11:04:46,296 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-12-23 11:04:46,623 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-12-23 11:04:46,918 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-12-23 11:04:47,217 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-23 11:04:51,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:51,626 INFO L93 Difference]: Finished difference Result 1526 states and 2139 transitions. [2020-12-23 11:04:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 11:04:51,627 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-12-23 11:04:51,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:51,633 INFO L225 Difference]: With dead ends: 1526 [2020-12-23 11:04:51,634 INFO L226 Difference]: Without dead ends: 1311 [2020-12-23 11:04:51,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=443, Invalid=1627, Unknown=0, NotChecked=0, Total=2070 [2020-12-23 11:04:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-12-23 11:04:51,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 481. [2020-12-23 11:04:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-12-23 11:04:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 634 transitions. [2020-12-23 11:04:51,779 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 634 transitions. Word has length 67 [2020-12-23 11:04:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:51,780 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 634 transitions. [2020-12-23 11:04:51,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 11:04:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 634 transitions. [2020-12-23 11:04:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:51,781 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:51,781 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] [2020-12-23 11:04:51,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 11:04:51,782 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:51,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:51,782 INFO L82 PathProgramCache]: Analyzing trace with hash -827796874, now seen corresponding path program 1 times [2020-12-23 11:04:51,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:51,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142279066] [2020-12-23 11:04:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:04:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:04:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:04:52,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142279066] [2020-12-23 11:04:52,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:04:52,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-12-23 11:04:52,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472878582] [2020-12-23 11:04:52,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 11:04:52,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:04:52,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 11:04:52,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:04:52,990 INFO L87 Difference]: Start difference. First operand 481 states and 634 transitions. Second operand 23 states. [2020-12-23 11:04:53,340 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-23 11:04:53,804 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-23 11:04:53,971 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-12-23 11:04:54,119 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-23 11:04:54,434 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:04:54,697 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-12-23 11:04:55,021 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-12-23 11:04:55,242 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-23 11:04:55,454 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-23 11:04:57,385 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-12-23 11:04:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:04:59,799 INFO L93 Difference]: Finished difference Result 1489 states and 2088 transitions. [2020-12-23 11:04:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 11:04:59,800 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-12-23 11:04:59,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:04:59,806 INFO L225 Difference]: With dead ends: 1489 [2020-12-23 11:04:59,806 INFO L226 Difference]: Without dead ends: 1277 [2020-12-23 11:04:59,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=303, Invalid=1589, Unknown=0, NotChecked=0, Total=1892 [2020-12-23 11:04:59,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-12-23 11:04:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 491. [2020-12-23 11:04:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-12-23 11:04:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 649 transitions. [2020-12-23 11:04:59,989 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 649 transitions. Word has length 67 [2020-12-23 11:04:59,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:04:59,989 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 649 transitions. [2020-12-23 11:04:59,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 11:04:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 649 transitions. [2020-12-23 11:04:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:04:59,990 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:04:59,991 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] [2020-12-23 11:04:59,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 11:04:59,991 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:04:59,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:04:59,992 INFO L82 PathProgramCache]: Analyzing trace with hash 455689729, now seen corresponding path program 1 times [2020-12-23 11:04:59,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:04:59,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283568391] [2020-12-23 11:04:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:01,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283568391] [2020-12-23 11:05:01,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:01,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-12-23 11:05:01,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22540278] [2020-12-23 11:05:01,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 11:05:01,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:01,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 11:05:01,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:05:01,088 INFO L87 Difference]: Start difference. First operand 491 states and 649 transitions. Second operand 22 states. [2020-12-23 11:05:01,373 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-12-23 11:05:01,878 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-23 11:05:02,065 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:05:02,242 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-23 11:05:02,554 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-23 11:05:02,783 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-12-23 11:05:03,065 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-23 11:05:03,291 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 11:05:03,521 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 11:05:05,831 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-23 11:05:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:08,726 INFO L93 Difference]: Finished difference Result 1283 states and 1778 transitions. [2020-12-23 11:05:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 11:05:08,730 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 67 [2020-12-23 11:05:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:08,734 INFO L225 Difference]: With dead ends: 1283 [2020-12-23 11:05:08,734 INFO L226 Difference]: Without dead ends: 1279 [2020-12-23 11:05:08,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=288, Invalid=1434, Unknown=0, NotChecked=0, Total=1722 [2020-12-23 11:05:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-12-23 11:05:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 497. [2020-12-23 11:05:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-12-23 11:05:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 657 transitions. [2020-12-23 11:05:08,889 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 657 transitions. Word has length 67 [2020-12-23 11:05:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:08,890 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 657 transitions. [2020-12-23 11:05:08,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 11:05:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 657 transitions. [2020-12-23 11:05:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 11:05:08,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:08,891 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] [2020-12-23 11:05:08,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 11:05:08,892 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:08,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:08,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1324827419, now seen corresponding path program 1 times [2020-12-23 11:05:08,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:08,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126043887] [2020-12-23 11:05:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:10,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126043887] [2020-12-23 11:05:10,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:10,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-12-23 11:05:10,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020659350] [2020-12-23 11:05:10,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 11:05:10,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:10,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 11:05:10,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:05:10,231 INFO L87 Difference]: Start difference. First operand 497 states and 657 transitions. Second operand 23 states. [2020-12-23 11:05:10,597 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 11:05:10,952 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-23 11:05:11,117 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 11:05:11,333 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:11,565 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-23 11:05:11,795 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:12,177 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-23 11:05:12,472 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-12-23 11:05:12,820 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-23 11:05:13,134 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-12-23 11:05:13,430 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-12-23 11:05:13,629 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-23 11:05:18,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:18,386 INFO L93 Difference]: Finished difference Result 1484 states and 2084 transitions. [2020-12-23 11:05:18,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 11:05:18,387 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-12-23 11:05:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:18,392 INFO L225 Difference]: With dead ends: 1484 [2020-12-23 11:05:18,392 INFO L226 Difference]: Without dead ends: 1269 [2020-12-23 11:05:18,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=314, Invalid=1492, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 11:05:18,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-12-23 11:05:18,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 496. [2020-12-23 11:05:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-12-23 11:05:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 654 transitions. [2020-12-23 11:05:18,533 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 654 transitions. Word has length 67 [2020-12-23 11:05:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:18,533 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 654 transitions. [2020-12-23 11:05:18,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 11:05:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 654 transitions. [2020-12-23 11:05:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:18,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:18,535 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] [2020-12-23 11:05:18,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 11:05:18,535 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:18,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1391401820, now seen corresponding path program 1 times [2020-12-23 11:05:18,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:18,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344916391] [2020-12-23 11:05:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:18,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344916391] [2020-12-23 11:05:18,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:18,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:05:18,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86581673] [2020-12-23 11:05:18,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:05:18,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:18,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:05:18,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:05:18,814 INFO L87 Difference]: Start difference. First operand 496 states and 654 transitions. Second operand 11 states. [2020-12-23 11:05:19,458 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:05:22,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:22,989 INFO L93 Difference]: Finished difference Result 2334 states and 3328 transitions. [2020-12-23 11:05:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:05:22,990 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-12-23 11:05:22,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:22,996 INFO L225 Difference]: With dead ends: 2334 [2020-12-23 11:05:22,996 INFO L226 Difference]: Without dead ends: 2327 [2020-12-23 11:05:22,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:05:22,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2020-12-23 11:05:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 500. [2020-12-23 11:05:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-12-23 11:05:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 657 transitions. [2020-12-23 11:05:23,156 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 657 transitions. Word has length 68 [2020-12-23 11:05:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:23,156 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 657 transitions. [2020-12-23 11:05:23,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:05:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 657 transitions. [2020-12-23 11:05:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:23,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:23,158 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] [2020-12-23 11:05:23,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 11:05:23,158 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:23,159 INFO L82 PathProgramCache]: Analyzing trace with hash 851991008, now seen corresponding path program 1 times [2020-12-23 11:05:23,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:23,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111698737] [2020-12-23 11:05:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:23,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111698737] [2020-12-23 11:05:23,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:23,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-23 11:05:23,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467233023] [2020-12-23 11:05:23,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 11:05:23,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:23,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 11:05:23,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-12-23 11:05:23,992 INFO L87 Difference]: Start difference. First operand 500 states and 657 transitions. Second operand 15 states. [2020-12-23 11:05:24,124 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-12-23 11:05:24,593 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-23 11:05:24,831 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-23 11:05:25,092 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:05:25,370 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:05:25,610 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-23 11:05:25,894 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-23 11:05:26,154 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-23 11:05:26,454 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-23 11:05:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:27,895 INFO L93 Difference]: Finished difference Result 1442 states and 2041 transitions. [2020-12-23 11:05:27,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:05:27,897 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 68 [2020-12-23 11:05:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:27,899 INFO L225 Difference]: With dead ends: 1442 [2020-12-23 11:05:27,899 INFO L226 Difference]: Without dead ends: 1164 [2020-12-23 11:05:27,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2020-12-23 11:05:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-12-23 11:05:28,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 454. [2020-12-23 11:05:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-12-23 11:05:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 602 transitions. [2020-12-23 11:05:28,101 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 602 transitions. Word has length 68 [2020-12-23 11:05:28,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:28,102 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 602 transitions. [2020-12-23 11:05:28,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 11:05:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 602 transitions. [2020-12-23 11:05:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:28,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:28,103 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] [2020-12-23 11:05:28,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 11:05:28,104 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:28,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1527682650, now seen corresponding path program 1 times [2020-12-23 11:05:28,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:28,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647701899] [2020-12-23 11:05:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:28,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647701899] [2020-12-23 11:05:28,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:28,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 11:05:28,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311168310] [2020-12-23 11:05:28,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 11:05:28,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:28,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 11:05:28,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:05:28,745 INFO L87 Difference]: Start difference. First operand 454 states and 602 transitions. Second operand 13 states. [2020-12-23 11:05:29,174 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-23 11:05:29,518 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:29,694 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:30,318 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-23 11:05:30,648 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-12-23 11:05:30,900 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-23 11:05:31,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:31,566 INFO L93 Difference]: Finished difference Result 1176 states and 1643 transitions. [2020-12-23 11:05:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 11:05:31,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 68 [2020-12-23 11:05:31,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:31,569 INFO L225 Difference]: With dead ends: 1176 [2020-12-23 11:05:31,569 INFO L226 Difference]: Without dead ends: 964 [2020-12-23 11:05:31,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2020-12-23 11:05:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-12-23 11:05:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 450. [2020-12-23 11:05:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-12-23 11:05:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 597 transitions. [2020-12-23 11:05:31,704 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 597 transitions. Word has length 68 [2020-12-23 11:05:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:31,704 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 597 transitions. [2020-12-23 11:05:31,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 11:05:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 597 transitions. [2020-12-23 11:05:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:31,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:31,706 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] [2020-12-23 11:05:31,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 11:05:31,706 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:31,707 INFO L82 PathProgramCache]: Analyzing trace with hash 986767498, now seen corresponding path program 1 times [2020-12-23 11:05:31,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:31,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781977259] [2020-12-23 11:05:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:32,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781977259] [2020-12-23 11:05:32,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:32,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 11:05:32,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44100528] [2020-12-23 11:05:32,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:05:32,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:32,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:05:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:05:32,287 INFO L87 Difference]: Start difference. First operand 450 states and 597 transitions. Second operand 12 states. [2020-12-23 11:05:32,902 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2020-12-23 11:05:33,068 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2020-12-23 11:05:33,290 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-12-23 11:05:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:34,083 INFO L93 Difference]: Finished difference Result 944 states and 1311 transitions. [2020-12-23 11:05:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 11:05:34,085 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 68 [2020-12-23 11:05:34,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:34,086 INFO L225 Difference]: With dead ends: 944 [2020-12-23 11:05:34,087 INFO L226 Difference]: Without dead ends: 721 [2020-12-23 11:05:34,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:05:34,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-12-23 11:05:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 435. [2020-12-23 11:05:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-12-23 11:05:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 578 transitions. [2020-12-23 11:05:34,230 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 578 transitions. Word has length 68 [2020-12-23 11:05:34,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:34,230 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 578 transitions. [2020-12-23 11:05:34,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:05:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 578 transitions. [2020-12-23 11:05:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:34,231 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:34,232 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] [2020-12-23 11:05:34,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 11:05:34,232 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:34,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:34,233 INFO L82 PathProgramCache]: Analyzing trace with hash -922376210, now seen corresponding path program 1 times [2020-12-23 11:05:34,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:34,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235997361] [2020-12-23 11:05:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:34,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235997361] [2020-12-23 11:05:34,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:34,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 11:05:34,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034661996] [2020-12-23 11:05:34,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 11:05:34,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:34,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 11:05:34,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:05:34,800 INFO L87 Difference]: Start difference. First operand 435 states and 578 transitions. Second operand 13 states. [2020-12-23 11:05:35,261 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-23 11:05:35,602 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:35,772 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-23 11:05:36,163 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-23 11:05:36,422 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-23 11:05:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:37,311 INFO L93 Difference]: Finished difference Result 1157 states and 1618 transitions. [2020-12-23 11:05:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:05:37,312 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 68 [2020-12-23 11:05:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:37,314 INFO L225 Difference]: With dead ends: 1157 [2020-12-23 11:05:37,314 INFO L226 Difference]: Without dead ends: 943 [2020-12-23 11:05:37,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:05:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-12-23 11:05:37,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 415. [2020-12-23 11:05:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-12-23 11:05:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 548 transitions. [2020-12-23 11:05:37,456 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 548 transitions. Word has length 68 [2020-12-23 11:05:37,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:37,457 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 548 transitions. [2020-12-23 11:05:37,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 11:05:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 548 transitions. [2020-12-23 11:05:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:37,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:37,458 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] [2020-12-23 11:05:37,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 11:05:37,458 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:37,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:37,458 INFO L82 PathProgramCache]: Analyzing trace with hash 361110393, now seen corresponding path program 1 times [2020-12-23 11:05:37,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:37,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894819716] [2020-12-23 11:05:37,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:38,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894819716] [2020-12-23 11:05:38,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:38,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:05:38,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223101647] [2020-12-23 11:05:38,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:05:38,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:38,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:05:38,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:05:38,151 INFO L87 Difference]: Start difference. First operand 415 states and 548 transitions. Second operand 14 states. [2020-12-23 11:05:38,285 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2020-12-23 11:05:38,824 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-23 11:05:39,024 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-23 11:05:39,209 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-23 11:05:39,427 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-23 11:05:40,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:40,374 INFO L93 Difference]: Finished difference Result 899 states and 1248 transitions. [2020-12-23 11:05:40,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:05:40,376 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 68 [2020-12-23 11:05:40,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:40,377 INFO L225 Difference]: With dead ends: 899 [2020-12-23 11:05:40,377 INFO L226 Difference]: Without dead ends: 658 [2020-12-23 11:05:40,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:05:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-12-23 11:05:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 406. [2020-12-23 11:05:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-23 11:05:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 534 transitions. [2020-12-23 11:05:40,571 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 534 transitions. Word has length 68 [2020-12-23 11:05:40,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:40,571 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 534 transitions. [2020-12-23 11:05:40,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:05:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 534 transitions. [2020-12-23 11:05:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:40,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:40,572 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] [2020-12-23 11:05:40,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 11:05:40,573 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:40,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash 823611388, now seen corresponding path program 1 times [2020-12-23 11:05:40,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:40,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922429071] [2020-12-23 11:05:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:40,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922429071] [2020-12-23 11:05:40,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:40,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:05:40,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010119712] [2020-12-23 11:05:40,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:05:40,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:40,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:05:40,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:05:40,745 INFO L87 Difference]: Start difference. First operand 406 states and 534 transitions. Second operand 9 states. [2020-12-23 11:05:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:42,066 INFO L93 Difference]: Finished difference Result 693 states and 929 transitions. [2020-12-23 11:05:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 11:05:42,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-12-23 11:05:42,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:42,069 INFO L225 Difference]: With dead ends: 693 [2020-12-23 11:05:42,069 INFO L226 Difference]: Without dead ends: 686 [2020-12-23 11:05:42,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:05:42,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-12-23 11:05:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 406. [2020-12-23 11:05:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-23 11:05:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 533 transitions. [2020-12-23 11:05:42,221 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 533 transitions. Word has length 68 [2020-12-23 11:05:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:42,222 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 533 transitions. [2020-12-23 11:05:42,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:05:42,222 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 533 transitions. [2020-12-23 11:05:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:42,223 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:42,223 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] [2020-12-23 11:05:42,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 11:05:42,223 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:42,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash 520441226, now seen corresponding path program 1 times [2020-12-23 11:05:42,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:42,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142095325] [2020-12-23 11:05:42,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:42,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142095325] [2020-12-23 11:05:42,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:42,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:05:42,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827210704] [2020-12-23 11:05:42,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:05:42,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:42,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:05:42,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:05:42,463 INFO L87 Difference]: Start difference. First operand 406 states and 533 transitions. Second operand 11 states. [2020-12-23 11:05:43,096 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-23 11:05:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:48,477 INFO L93 Difference]: Finished difference Result 3404 states and 4904 transitions. [2020-12-23 11:05:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 11:05:48,479 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-12-23 11:05:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:48,486 INFO L225 Difference]: With dead ends: 3404 [2020-12-23 11:05:48,487 INFO L226 Difference]: Without dead ends: 3152 [2020-12-23 11:05:48,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=374, Invalid=1186, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 11:05:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2020-12-23 11:05:48,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 414. [2020-12-23 11:05:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-12-23 11:05:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 541 transitions. [2020-12-23 11:05:48,742 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 541 transitions. Word has length 68 [2020-12-23 11:05:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:48,742 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 541 transitions. [2020-12-23 11:05:48,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:05:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 541 transitions. [2020-12-23 11:05:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:48,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:48,743 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] [2020-12-23 11:05:48,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 11:05:48,744 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:48,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1956990499, now seen corresponding path program 1 times [2020-12-23 11:05:48,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:48,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624663462] [2020-12-23 11:05:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:49,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624663462] [2020-12-23 11:05:49,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:49,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:05:49,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976774070] [2020-12-23 11:05:49,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:05:49,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:05:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:05:49,044 INFO L87 Difference]: Start difference. First operand 414 states and 541 transitions. Second operand 11 states. [2020-12-23 11:05:49,746 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:05:50,743 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-23 11:05:52,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:52,100 INFO L93 Difference]: Finished difference Result 1256 states and 1748 transitions. [2020-12-23 11:05:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:05:52,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-12-23 11:05:52,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:52,105 INFO L225 Difference]: With dead ends: 1256 [2020-12-23 11:05:52,105 INFO L226 Difference]: Without dead ends: 1249 [2020-12-23 11:05:52,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2020-12-23 11:05:52,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2020-12-23 11:05:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 414. [2020-12-23 11:05:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-12-23 11:05:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 540 transitions. [2020-12-23 11:05:52,273 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 540 transitions. Word has length 68 [2020-12-23 11:05:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:52,274 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 540 transitions. [2020-12-23 11:05:52,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:05:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 540 transitions. [2020-12-23 11:05:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:52,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:52,275 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] [2020-12-23 11:05:52,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 11:05:52,276 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:52,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1580596319, now seen corresponding path program 1 times [2020-12-23 11:05:52,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:52,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524994745] [2020-12-23 11:05:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:53,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524994745] [2020-12-23 11:05:53,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:53,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:05:53,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125257274] [2020-12-23 11:05:53,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:05:53,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:53,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:05:53,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:05:53,047 INFO L87 Difference]: Start difference. First operand 414 states and 540 transitions. Second operand 14 states. [2020-12-23 11:05:53,757 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-23 11:05:53,943 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-12-23 11:05:54,122 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-12-23 11:05:54,310 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-12-23 11:05:54,616 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-12-23 11:05:54,946 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-12-23 11:05:55,350 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2020-12-23 11:05:56,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:56,131 INFO L93 Difference]: Finished difference Result 776 states and 1050 transitions. [2020-12-23 11:05:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 11:05:56,132 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 68 [2020-12-23 11:05:56,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:56,138 INFO L225 Difference]: With dead ends: 776 [2020-12-23 11:05:56,138 INFO L226 Difference]: Without dead ends: 772 [2020-12-23 11:05:56,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:05:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-12-23 11:05:56,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 408. [2020-12-23 11:05:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-23 11:05:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 533 transitions. [2020-12-23 11:05:56,411 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 533 transitions. Word has length 68 [2020-12-23 11:05:56,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:05:56,412 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 533 transitions. [2020-12-23 11:05:56,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:05:56,412 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 533 transitions. [2020-12-23 11:05:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 11:05:56,413 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:05:56,413 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] [2020-12-23 11:05:56,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 11:05:56,415 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:05:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:05:56,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1417579687, now seen corresponding path program 1 times [2020-12-23 11:05:56,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:05:56,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694785107] [2020-12-23 11:05:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:05:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:05:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:05:57,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694785107] [2020-12-23 11:05:57,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:05:57,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:05:57,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141222999] [2020-12-23 11:05:57,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:05:57,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:05:57,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:05:57,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:05:57,168 INFO L87 Difference]: Start difference. First operand 408 states and 533 transitions. Second operand 14 states. [2020-12-23 11:05:57,730 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2020-12-23 11:05:57,965 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-23 11:05:58,176 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-23 11:05:58,368 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-23 11:05:58,559 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:05:58,811 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-23 11:05:59,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:05:59,971 INFO L93 Difference]: Finished difference Result 1112 states and 1560 transitions. [2020-12-23 11:05:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 11:05:59,972 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 68 [2020-12-23 11:05:59,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:05:59,974 INFO L225 Difference]: With dead ends: 1112 [2020-12-23 11:05:59,974 INFO L226 Difference]: Without dead ends: 1080 [2020-12-23 11:05:59,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:05:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2020-12-23 11:06:00,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 376. [2020-12-23 11:06:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-12-23 11:06:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 498 transitions. [2020-12-23 11:06:00,171 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 498 transitions. Word has length 68 [2020-12-23 11:06:00,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:00,171 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 498 transitions. [2020-12-23 11:06:00,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:06:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 498 transitions. [2020-12-23 11:06:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 11:06:00,172 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:00,172 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] [2020-12-23 11:06:00,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 11:06:00,172 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1317093723, now seen corresponding path program 1 times [2020-12-23 11:06:00,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:00,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092676964] [2020-12-23 11:06:00,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:00,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092676964] [2020-12-23 11:06:00,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:00,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:06:00,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215757784] [2020-12-23 11:06:00,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:06:00,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:00,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:06:00,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:06:00,325 INFO L87 Difference]: Start difference. First operand 376 states and 498 transitions. Second operand 9 states. [2020-12-23 11:06:01,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:01,701 INFO L93 Difference]: Finished difference Result 906 states and 1252 transitions. [2020-12-23 11:06:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:06:01,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-12-23 11:06:01,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:01,711 INFO L225 Difference]: With dead ends: 906 [2020-12-23 11:06:01,711 INFO L226 Difference]: Without dead ends: 654 [2020-12-23 11:06:01,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:06:01,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-12-23 11:06:01,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 368. [2020-12-23 11:06:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-12-23 11:06:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 488 transitions. [2020-12-23 11:06:01,891 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 488 transitions. Word has length 69 [2020-12-23 11:06:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:01,891 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 488 transitions. [2020-12-23 11:06:01,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:06:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 488 transitions. [2020-12-23 11:06:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 11:06:01,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:01,892 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] [2020-12-23 11:06:01,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 11:06:01,892 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:01,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:01,892 INFO L82 PathProgramCache]: Analyzing trace with hash -880982966, now seen corresponding path program 1 times [2020-12-23 11:06:01,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:01,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422703068] [2020-12-23 11:06:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:02,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422703068] [2020-12-23 11:06:02,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:02,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 11:06:02,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174442890] [2020-12-23 11:06:02,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:06:02,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:02,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:06:02,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:06:02,160 INFO L87 Difference]: Start difference. First operand 368 states and 488 transitions. Second operand 12 states. [2020-12-23 11:06:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:05,117 INFO L93 Difference]: Finished difference Result 1187 states and 1640 transitions. [2020-12-23 11:06:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:06:05,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 70 [2020-12-23 11:06:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:05,121 INFO L225 Difference]: With dead ends: 1187 [2020-12-23 11:06:05,121 INFO L226 Difference]: Without dead ends: 1180 [2020-12-23 11:06:05,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2020-12-23 11:06:05,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-12-23 11:06:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 364. [2020-12-23 11:06:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 11:06:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 483 transitions. [2020-12-23 11:06:05,388 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 483 transitions. Word has length 70 [2020-12-23 11:06:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:05,389 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 483 transitions. [2020-12-23 11:06:05,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:06:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 483 transitions. [2020-12-23 11:06:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 11:06:05,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:05,390 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] [2020-12-23 11:06:05,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 11:06:05,390 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:05,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1997555533, now seen corresponding path program 1 times [2020-12-23 11:06:05,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:05,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032004493] [2020-12-23 11:06:05,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:06,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032004493] [2020-12-23 11:06:06,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:06,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-12-23 11:06:06,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692335584] [2020-12-23 11:06:06,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 11:06:06,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:06,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 11:06:06,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:06:06,549 INFO L87 Difference]: Start difference. First operand 364 states and 483 transitions. Second operand 22 states. [2020-12-23 11:06:06,917 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2020-12-23 11:06:07,438 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-12-23 11:06:07,644 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2020-12-23 11:06:07,822 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2020-12-23 11:06:08,202 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-12-23 11:06:08,494 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-12-23 11:06:08,852 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-12-23 11:06:09,120 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-12-23 11:06:09,374 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-12-23 11:06:10,773 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-12-23 11:06:12,393 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-23 11:06:13,369 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-12-23 11:06:14,701 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-12-23 11:06:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:15,900 INFO L93 Difference]: Finished difference Result 2723 states and 3999 transitions. [2020-12-23 11:06:15,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 11:06:15,901 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 70 [2020-12-23 11:06:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:15,905 INFO L225 Difference]: With dead ends: 2723 [2020-12-23 11:06:15,905 INFO L226 Difference]: Without dead ends: 2717 [2020-12-23 11:06:15,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=359, Invalid=1803, Unknown=0, NotChecked=0, Total=2162 [2020-12-23 11:06:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2020-12-23 11:06:16,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 375. [2020-12-23 11:06:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-12-23 11:06:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 497 transitions. [2020-12-23 11:06:16,117 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 497 transitions. Word has length 70 [2020-12-23 11:06:16,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:16,117 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 497 transitions. [2020-12-23 11:06:16,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 11:06:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 497 transitions. [2020-12-23 11:06:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 11:06:16,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:16,118 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] [2020-12-23 11:06:16,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 11:06:16,119 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:16,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:16,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1662348756, now seen corresponding path program 1 times [2020-12-23 11:06:16,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:16,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076638094] [2020-12-23 11:06:16,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:17,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076638094] [2020-12-23 11:06:17,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:17,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-12-23 11:06:17,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073759742] [2020-12-23 11:06:17,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 11:06:17,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:17,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 11:06:17,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-12-23 11:06:17,442 INFO L87 Difference]: Start difference. First operand 375 states and 497 transitions. Second operand 23 states. [2020-12-23 11:06:17,973 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2020-12-23 11:06:18,309 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-23 11:06:18,643 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-23 11:06:18,885 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-12-23 11:06:19,118 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-23 11:06:19,569 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-12-23 11:06:19,980 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-12-23 11:06:20,475 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-12-23 11:06:20,820 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-12-23 11:06:21,135 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-12-23 11:06:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:24,866 INFO L93 Difference]: Finished difference Result 1053 states and 1488 transitions. [2020-12-23 11:06:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 11:06:24,867 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 70 [2020-12-23 11:06:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:24,869 INFO L225 Difference]: With dead ends: 1053 [2020-12-23 11:06:24,870 INFO L226 Difference]: Without dead ends: 1045 [2020-12-23 11:06:24,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=315, Invalid=1491, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 11:06:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-12-23 11:06:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 379. [2020-12-23 11:06:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-12-23 11:06:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 502 transitions. [2020-12-23 11:06:25,109 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 502 transitions. Word has length 70 [2020-12-23 11:06:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:25,109 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 502 transitions. [2020-12-23 11:06:25,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 11:06:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 502 transitions. [2020-12-23 11:06:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:06:25,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:25,110 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] [2020-12-23 11:06:25,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-23 11:06:25,110 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:25,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:25,110 INFO L82 PathProgramCache]: Analyzing trace with hash 106947905, now seen corresponding path program 1 times [2020-12-23 11:06:25,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:25,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410055441] [2020-12-23 11:06:25,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:26,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410055441] [2020-12-23 11:06:26,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:26,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-23 11:06:26,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759189388] [2020-12-23 11:06:26,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-23 11:06:26,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:26,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-23 11:06:26,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2020-12-23 11:06:26,088 INFO L87 Difference]: Start difference. First operand 379 states and 502 transitions. Second operand 17 states. [2020-12-23 11:06:26,290 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-23 11:06:26,838 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-23 11:06:27,184 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-23 11:06:27,567 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-12-23 11:06:27,884 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:06:28,193 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:06:28,479 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-23 11:06:28,723 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-12-23 11:06:28,983 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-12-23 11:06:31,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:31,241 INFO L93 Difference]: Finished difference Result 805 states and 1107 transitions. [2020-12-23 11:06:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 11:06:31,242 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-12-23 11:06:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:31,244 INFO L225 Difference]: With dead ends: 805 [2020-12-23 11:06:31,244 INFO L226 Difference]: Without dead ends: 797 [2020-12-23 11:06:31,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-12-23 11:06:31,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-12-23 11:06:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 384. [2020-12-23 11:06:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 11:06:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 507 transitions. [2020-12-23 11:06:31,431 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 507 transitions. Word has length 71 [2020-12-23 11:06:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:31,431 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 507 transitions. [2020-12-23 11:06:31,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-23 11:06:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 507 transitions. [2020-12-23 11:06:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:06:31,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:31,432 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] [2020-12-23 11:06:31,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-12-23 11:06:31,432 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2112008133, now seen corresponding path program 1 times [2020-12-23 11:06:31,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:31,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028193490] [2020-12-23 11:06:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:31,812 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-12-23 11:06:31,985 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-12-23 11:06:32,135 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-12-23 11:06:32,289 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-23 11:06:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:33,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028193490] [2020-12-23 11:06:33,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:33,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-12-23 11:06:33,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93325369] [2020-12-23 11:06:33,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 11:06:33,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:33,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 11:06:33,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:06:33,308 INFO L87 Difference]: Start difference. First operand 384 states and 507 transitions. Second operand 20 states. [2020-12-23 11:06:33,507 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-12-23 11:06:33,924 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-12-23 11:06:34,121 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-12-23 11:06:34,459 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-12-23 11:06:34,712 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-12-23 11:06:35,080 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-12-23 11:06:35,540 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2020-12-23 11:06:35,874 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-23 11:06:36,232 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-23 11:06:38,185 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-12-23 11:06:39,314 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-23 11:06:43,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:43,381 INFO L93 Difference]: Finished difference Result 2057 states and 2943 transitions. [2020-12-23 11:06:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 11:06:43,382 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-12-23 11:06:43,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:43,385 INFO L225 Difference]: With dead ends: 2057 [2020-12-23 11:06:43,386 INFO L226 Difference]: Without dead ends: 2051 [2020-12-23 11:06:43,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2020-12-23 11:06:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2020-12-23 11:06:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 395. [2020-12-23 11:06:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 11:06:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 521 transitions. [2020-12-23 11:06:43,643 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 521 transitions. Word has length 71 [2020-12-23 11:06:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:43,643 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 521 transitions. [2020-12-23 11:06:43,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 11:06:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 521 transitions. [2020-12-23 11:06:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:06:43,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:43,644 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] [2020-12-23 11:06:43,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-23 11:06:43,645 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:43,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:43,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1776801356, now seen corresponding path program 1 times [2020-12-23 11:06:43,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:43,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647290287] [2020-12-23 11:06:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:44,261 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:06:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:44,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647290287] [2020-12-23 11:06:44,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:44,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:06:44,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012676029] [2020-12-23 11:06:44,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:06:44,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:44,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:06:44,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:06:44,916 INFO L87 Difference]: Start difference. First operand 395 states and 521 transitions. Second operand 19 states. [2020-12-23 11:06:45,078 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-12-23 11:06:45,524 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-12-23 11:06:45,820 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2020-12-23 11:06:46,060 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-12-23 11:06:46,369 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 11:06:46,757 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-12-23 11:06:47,035 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-23 11:06:47,355 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-23 11:06:47,565 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-23 11:06:48,458 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2020-12-23 11:06:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:06:51,570 INFO L93 Difference]: Finished difference Result 1055 states and 1460 transitions. [2020-12-23 11:06:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:06:51,572 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 71 [2020-12-23 11:06:51,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:06:51,574 INFO L225 Difference]: With dead ends: 1055 [2020-12-23 11:06:51,574 INFO L226 Difference]: Without dead ends: 1047 [2020-12-23 11:06:51,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=260, Invalid=1072, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 11:06:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-12-23 11:06:51,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 396. [2020-12-23 11:06:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-23 11:06:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 523 transitions. [2020-12-23 11:06:51,840 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 523 transitions. Word has length 71 [2020-12-23 11:06:51,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:06:51,840 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 523 transitions. [2020-12-23 11:06:51,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:06:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 523 transitions. [2020-12-23 11:06:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:06:51,841 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:06:51,841 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] [2020-12-23 11:06:51,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-23 11:06:51,841 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:06:51,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:06:51,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1979298898, now seen corresponding path program 1 times [2020-12-23 11:06:51,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:06:51,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553174243] [2020-12-23 11:06:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:06:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:06:52,342 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-23 11:06:52,550 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-23 11:06:52,746 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-23 11:06:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:06:53,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553174243] [2020-12-23 11:06:53,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:06:53,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-12-23 11:06:53,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345276740] [2020-12-23 11:06:53,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 11:06:53,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:06:53,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 11:06:53,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:06:53,821 INFO L87 Difference]: Start difference. First operand 396 states and 523 transitions. Second operand 20 states. [2020-12-23 11:06:54,086 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 11:06:54,581 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-23 11:06:54,872 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-12-23 11:06:55,133 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-23 11:06:55,531 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-12-23 11:06:55,846 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-23 11:06:56,437 WARN L197 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 11:06:56,995 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 11:06:57,551 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 11:06:57,934 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-23 11:06:58,230 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-23 11:06:58,525 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-23 11:06:58,921 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-23 11:06:59,412 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-23 11:06:59,842 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-12-23 11:07:01,699 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-12-23 11:07:02,869 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-12-23 11:07:04,126 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-12-23 11:07:05,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:07:05,188 INFO L93 Difference]: Finished difference Result 2118 states and 3084 transitions. [2020-12-23 11:07:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:07:05,190 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-12-23 11:07:05,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:07:05,193 INFO L225 Difference]: With dead ends: 2118 [2020-12-23 11:07:05,193 INFO L226 Difference]: Without dead ends: 2112 [2020-12-23 11:07:05,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=305, Invalid=1335, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 11:07:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2020-12-23 11:07:05,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 396. [2020-12-23 11:07:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-23 11:07:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 523 transitions. [2020-12-23 11:07:05,407 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 523 transitions. Word has length 71 [2020-12-23 11:07:05,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:07:05,407 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 523 transitions. [2020-12-23 11:07:05,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 11:07:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 523 transitions. [2020-12-23 11:07:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:07:05,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:07:05,408 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] [2020-12-23 11:07:05,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-23 11:07:05,408 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:07:05,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:07:05,408 INFO L82 PathProgramCache]: Analyzing trace with hash 998415278, now seen corresponding path program 1 times [2020-12-23 11:07:05,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:07:05,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677215835] [2020-12-23 11:07:05,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:07:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:07:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:07:06,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677215835] [2020-12-23 11:07:06,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:07:06,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 11:07:06,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876212232] [2020-12-23 11:07:06,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:07:06,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:07:06,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:07:06,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:07:06,074 INFO L87 Difference]: Start difference. First operand 396 states and 523 transitions. Second operand 12 states. [2020-12-23 11:07:06,213 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2020-12-23 11:07:06,551 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-12-23 11:07:06,801 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-12-23 11:07:07,014 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-12-23 11:07:07,298 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-23 11:07:07,570 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-12-23 11:07:08,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:07:08,958 INFO L93 Difference]: Finished difference Result 1140 states and 1591 transitions. [2020-12-23 11:07:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:07:08,959 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-12-23 11:07:08,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:07:08,961 INFO L225 Difference]: With dead ends: 1140 [2020-12-23 11:07:08,961 INFO L226 Difference]: Without dead ends: 1125 [2020-12-23 11:07:08,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:07:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2020-12-23 11:07:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 380. [2020-12-23 11:07:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-12-23 11:07:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2020-12-23 11:07:09,159 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 71 [2020-12-23 11:07:09,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:07:09,159 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2020-12-23 11:07:09,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:07:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2020-12-23 11:07:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 11:07:09,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:07:09,160 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] [2020-12-23 11:07:09,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-12-23 11:07:09,160 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:07:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:07:09,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1657884430, now seen corresponding path program 1 times [2020-12-23 11:07:09,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:07:09,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402388386] [2020-12-23 11:07:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:07:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:07:09,668 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-23 11:07:10,020 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-23 11:07:10,208 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-12-23 11:07:10,376 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2020-12-23 11:07:10,571 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2020-12-23 11:07:10,752 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 16 [2020-12-23 11:07:10,922 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 16 [2020-12-23 11:07:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:07:11,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402388386] [2020-12-23 11:07:11,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:07:11,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:07:11,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7373304] [2020-12-23 11:07:11,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:07:11,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:07:11,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:07:11,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:07:11,120 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand 18 states. [2020-12-23 11:07:11,351 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-23 11:07:11,654 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2020-12-23 11:07:11,878 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-12-23 11:07:12,131 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2020-12-23 11:07:12,497 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-23 11:07:12,762 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-23 11:07:13,129 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-12-23 11:07:13,500 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-12-23 11:07:13,846 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-12-23 11:07:14,211 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-12-23 11:07:14,615 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-12-23 11:07:15,002 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-12-23 11:07:15,304 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2020-12-23 11:07:15,696 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-23 11:07:15,854 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2020-12-23 11:07:16,361 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 11:07:17,847 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-23 11:07:19,638 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-23 11:07:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:07:21,165 INFO L93 Difference]: Finished difference Result 1801 states and 2597 transitions. [2020-12-23 11:07:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 11:07:21,167 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 71 [2020-12-23 11:07:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:07:21,169 INFO L225 Difference]: With dead ends: 1801 [2020-12-23 11:07:21,169 INFO L226 Difference]: Without dead ends: 1795 [2020-12-23 11:07:21,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 11:07:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2020-12-23 11:07:21,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 380. [2020-12-23 11:07:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-12-23 11:07:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2020-12-23 11:07:21,449 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 71 [2020-12-23 11:07:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:07:21,449 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2020-12-23 11:07:21,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:07:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2020-12-23 11:07:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 11:07:21,449 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:07:21,450 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] [2020-12-23 11:07:21,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-23 11:07:21,450 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:07:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:07:21,450 INFO L82 PathProgramCache]: Analyzing trace with hash 12037150, now seen corresponding path program 1 times [2020-12-23 11:07:21,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:07:21,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923266251] [2020-12-23 11:07:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:07:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:07:21,997 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-23 11:07:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:07:22,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923266251] [2020-12-23 11:07:22,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:07:22,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:07:22,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117494187] [2020-12-23 11:07:22,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:07:22,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:07:22,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:07:22,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:07:22,765 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand 18 states. [2020-12-23 11:07:23,017 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-23 11:07:23,510 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-23 11:07:23,804 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-12-23 11:07:24,175 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-23 11:07:24,532 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-23 11:07:24,861 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-23 11:07:25,178 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-23 11:07:25,455 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-23 11:07:25,728 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-23 11:07:25,979 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-23 11:07:26,205 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-23 11:07:26,493 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-23 11:07:26,685 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-23 11:07:28,234 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-23 11:07:28,700 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-23 11:07:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:07:30,995 INFO L93 Difference]: Finished difference Result 1215 states and 1727 transitions. [2020-12-23 11:07:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:07:30,997 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 72 [2020-12-23 11:07:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:07:30,999 INFO L225 Difference]: With dead ends: 1215 [2020-12-23 11:07:30,999 INFO L226 Difference]: Without dead ends: 1201 [2020-12-23 11:07:31,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 11:07:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-12-23 11:07:31,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 375. [2020-12-23 11:07:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-12-23 11:07:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 497 transitions. [2020-12-23 11:07:31,224 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 497 transitions. Word has length 72 [2020-12-23 11:07:31,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:07:31,225 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 497 transitions. [2020-12-23 11:07:31,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:07:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 497 transitions. [2020-12-23 11:07:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 11:07:31,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:07:31,226 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] [2020-12-23 11:07:31,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-23 11:07:31,226 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:07:31,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:07:31,226 INFO L82 PathProgramCache]: Analyzing trace with hash 899991450, now seen corresponding path program 1 times [2020-12-23 11:07:31,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:07:31,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816331837] [2020-12-23 11:07:31,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:07:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:07:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:07:32,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816331837] [2020-12-23 11:07:32,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:07:32,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:07:32,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025551676] [2020-12-23 11:07:32,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:07:32,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:07:32,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:07:32,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:07:32,179 INFO L87 Difference]: Start difference. First operand 375 states and 497 transitions. Second operand 14 states. [2020-12-23 11:07:32,908 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-23 11:07:33,184 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-23 11:07:33,461 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-23 11:07:33,836 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-23 11:07:34,124 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-23 11:07:35,266 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-12-23 11:07:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:07:36,035 INFO L93 Difference]: Finished difference Result 719 states and 1007 transitions. [2020-12-23 11:07:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:07:36,037 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 72 [2020-12-23 11:07:36,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:07:36,038 INFO L225 Difference]: With dead ends: 719 [2020-12-23 11:07:36,038 INFO L226 Difference]: Without dead ends: 711 [2020-12-23 11:07:36,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2020-12-23 11:07:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2020-12-23 11:07:36,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 375. [2020-12-23 11:07:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-12-23 11:07:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 496 transitions. [2020-12-23 11:07:36,267 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 496 transitions. Word has length 72 [2020-12-23 11:07:36,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:07:36,268 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 496 transitions. [2020-12-23 11:07:36,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:07:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 496 transitions. [2020-12-23 11:07:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 11:07:36,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:07:36,269 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] [2020-12-23 11:07:36,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-23 11:07:36,269 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:07:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:07:36,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1568731702, now seen corresponding path program 1 times [2020-12-23 11:07:36,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:07:36,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145424131] [2020-12-23 11:07:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:07:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat