/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:46:54,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:46:54,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:46:55,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:46:55,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:46:55,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:46:55,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:46:55,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:46:55,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:46:55,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:46:55,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:46:55,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:46:55,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:46:55,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:46:55,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:46:55,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:46:55,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:46:55,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:46:55,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:46:55,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:46:55,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:46:55,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:46:55,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:46:55,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:46:55,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:46:55,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:46:55,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:46:55,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:46:55,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:46:55,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:46:55,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:46:55,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:46:55,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:46:55,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:46:55,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:46:55,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:46:55,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:46:55,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:46:55,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:46:55,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:46:55,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:46:55,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:46:55,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:46:55,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:46:55,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:46:55,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:46:55,114 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:46:55,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:46:55,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:46:55,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:46:55,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:46:55,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:46:55,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:46:55,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:46:55,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:46:55,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:46:55,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:46:55,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:46:55,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:46:55,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:46:55,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:46:55,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:46:55,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:46:55,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:46:55,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:46:55,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:46:55,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:46:55,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:46:55,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:46:55,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:46:55,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:46:55,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:46:55,562 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:46:55,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-01-06 20:46:55,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4b276db6/10ba0cd1f0254ce2bbe3a50027c06d38/FLAGb05e71dfc [2021-01-06 20:46:56,320 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:46:56,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-01-06 20:46:56,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4b276db6/10ba0cd1f0254ce2bbe3a50027c06d38/FLAGb05e71dfc [2021-01-06 20:46:56,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4b276db6/10ba0cd1f0254ce2bbe3a50027c06d38 [2021-01-06 20:46:56,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:46:56,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:46:56,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:46:56,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:46:56,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:46:56,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:46:56" (1/1) ... [2021-01-06 20:46:56,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a970e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:56, skipping insertion in model container [2021-01-06 20:46:56,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:46:56" (1/1) ... [2021-01-06 20:46:56,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:46:56,702 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33158~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33277~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_33467~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:46:57,001 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:46:57,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:46:57,177 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33158~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33277~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_33467~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:46:57,248 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:46:57,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:46:57,323 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:46:57,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57 WrapperNode [2021-01-06 20:46:57,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:46:57,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:46:57,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:46:57,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:46:57,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:46:57,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:46:57,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:46:57,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:46:57,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... [2021-01-06 20:46:57,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:46:57,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:46:57,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:46:57,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:46:57,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:46:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:46:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:46:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:46:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:46:58,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:46:58,821 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:46:58,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:46:58 BoogieIcfgContainer [2021-01-06 20:46:58,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:46:58,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:46:58,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:46:58,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:46:58,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:46:56" (1/3) ... [2021-01-06 20:46:58,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f28596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:46:58, skipping insertion in model container [2021-01-06 20:46:58,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:46:57" (2/3) ... [2021-01-06 20:46:58,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f28596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:46:58, skipping insertion in model container [2021-01-06 20:46:58,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:46:58" (3/3) ... [2021-01-06 20:46:58,835 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-01-06 20:46:58,842 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:46:58,849 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:46:58,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:46:58,903 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:46:58,903 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:46:58,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:46:58,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:46:58,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:46:58,904 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:46:58,904 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:46:58,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:46:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 20:46:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 20:46:58,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:58,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:58,971 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:58,979 INFO L82 PathProgramCache]: Analyzing trace with hash -465870500, now seen corresponding path program 1 times [2021-01-06 20:46:58,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:58,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162218796] [2021-01-06 20:46:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:46:59,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162218796] [2021-01-06 20:46:59,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:59,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:46:59,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801832681] [2021-01-06 20:46:59,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:46:59,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:59,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:46:59,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:46:59,488 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-01-06 20:46:59,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:59,640 INFO L93 Difference]: Finished difference Result 417 states and 687 transitions. [2021-01-06 20:46:59,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:46:59,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 20:46:59,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:59,682 INFO L225 Difference]: With dead ends: 417 [2021-01-06 20:46:59,682 INFO L226 Difference]: Without dead ends: 314 [2021-01-06 20:46:59,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:46:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-01-06 20:46:59,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2021-01-06 20:46:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2021-01-06 20:46:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 468 transitions. [2021-01-06 20:46:59,829 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 468 transitions. Word has length 79 [2021-01-06 20:46:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:59,830 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 468 transitions. [2021-01-06 20:46:59,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:46:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 468 transitions. [2021-01-06 20:46:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 20:46:59,839 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:59,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:59,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:46:59,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:59,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:59,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1819425779, now seen corresponding path program 1 times [2021-01-06 20:46:59,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:59,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397280312] [2021-01-06 20:46:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:00,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397280312] [2021-01-06 20:47:00,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:00,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:47:00,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290691154] [2021-01-06 20:47:00,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:47:00,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:00,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:47:00,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:00,339 INFO L87 Difference]: Start difference. First operand 312 states and 468 transitions. Second operand 7 states. [2021-01-06 20:47:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:00,884 INFO L93 Difference]: Finished difference Result 1358 states and 2106 transitions. [2021-01-06 20:47:00,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:47:00,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2021-01-06 20:47:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:00,900 INFO L225 Difference]: With dead ends: 1358 [2021-01-06 20:47:00,900 INFO L226 Difference]: Without dead ends: 1122 [2021-01-06 20:47:00,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2021-01-06 20:47:01,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1114. [2021-01-06 20:47:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2021-01-06 20:47:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1721 transitions. [2021-01-06 20:47:01,031 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1721 transitions. Word has length 80 [2021-01-06 20:47:01,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:01,032 INFO L481 AbstractCegarLoop]: Abstraction has 1114 states and 1721 transitions. [2021-01-06 20:47:01,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:47:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1721 transitions. [2021-01-06 20:47:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:47:01,037 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:01,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:01,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:47:01,038 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:01,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:01,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1286257119, now seen corresponding path program 1 times [2021-01-06 20:47:01,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:01,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688183484] [2021-01-06 20:47:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688183484] [2021-01-06 20:47:01,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:01,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:47:01,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552096541] [2021-01-06 20:47:01,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:47:01,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:01,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:47:01,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:47:01,195 INFO L87 Difference]: Start difference. First operand 1114 states and 1721 transitions. Second operand 6 states. [2021-01-06 20:47:01,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:01,735 INFO L93 Difference]: Finished difference Result 3689 states and 5784 transitions. [2021-01-06 20:47:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:01,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2021-01-06 20:47:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:01,754 INFO L225 Difference]: With dead ends: 3689 [2021-01-06 20:47:01,754 INFO L226 Difference]: Without dead ends: 2652 [2021-01-06 20:47:01,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:47:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2021-01-06 20:47:01,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2648. [2021-01-06 20:47:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2648 states. [2021-01-06 20:47:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 4139 transitions. [2021-01-06 20:47:01,947 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 4139 transitions. Word has length 81 [2021-01-06 20:47:01,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:01,955 INFO L481 AbstractCegarLoop]: Abstraction has 2648 states and 4139 transitions. [2021-01-06 20:47:01,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:47:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 4139 transitions. [2021-01-06 20:47:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:47:01,959 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:01,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:01,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:47:01,960 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:01,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:01,961 INFO L82 PathProgramCache]: Analyzing trace with hash 963502145, now seen corresponding path program 1 times [2021-01-06 20:47:01,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:01,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295575663] [2021-01-06 20:47:01,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:02,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295575663] [2021-01-06 20:47:02,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:02,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:47:02,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108067328] [2021-01-06 20:47:02,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:47:02,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:02,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:47:02,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:47:02,148 INFO L87 Difference]: Start difference. First operand 2648 states and 4139 transitions. Second operand 5 states. [2021-01-06 20:47:02,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:02,804 INFO L93 Difference]: Finished difference Result 7355 states and 11586 transitions. [2021-01-06 20:47:02,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:02,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 20:47:02,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:02,834 INFO L225 Difference]: With dead ends: 7355 [2021-01-06 20:47:02,834 INFO L226 Difference]: Without dead ends: 4848 [2021-01-06 20:47:02,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2021-01-06 20:47:03,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4846. [2021-01-06 20:47:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2021-01-06 20:47:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7593 transitions. [2021-01-06 20:47:03,240 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7593 transitions. Word has length 81 [2021-01-06 20:47:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:03,240 INFO L481 AbstractCegarLoop]: Abstraction has 4846 states and 7593 transitions. [2021-01-06 20:47:03,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:47:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7593 transitions. [2021-01-06 20:47:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:47:03,244 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:03,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:03,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:47:03,245 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:03,246 INFO L82 PathProgramCache]: Analyzing trace with hash -990576080, now seen corresponding path program 1 times [2021-01-06 20:47:03,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:03,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925497990] [2021-01-06 20:47:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:03,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925497990] [2021-01-06 20:47:03,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:03,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:47:03,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397333517] [2021-01-06 20:47:03,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:47:03,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:47:03,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:47:03,411 INFO L87 Difference]: Start difference. First operand 4846 states and 7593 transitions. Second operand 5 states. [2021-01-06 20:47:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:04,248 INFO L93 Difference]: Finished difference Result 14001 states and 22018 transitions. [2021-01-06 20:47:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:04,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 20:47:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:04,306 INFO L225 Difference]: With dead ends: 14001 [2021-01-06 20:47:04,306 INFO L226 Difference]: Without dead ends: 9262 [2021-01-06 20:47:04,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:04,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9262 states. [2021-01-06 20:47:05,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9262 to 9260. [2021-01-06 20:47:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2021-01-06 20:47:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 14482 transitions. [2021-01-06 20:47:05,105 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 14482 transitions. Word has length 81 [2021-01-06 20:47:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:05,106 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 14482 transitions. [2021-01-06 20:47:05,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:47:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 14482 transitions. [2021-01-06 20:47:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:47:05,117 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:05,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:05,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:47:05,117 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:05,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:05,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2100922190, now seen corresponding path program 1 times [2021-01-06 20:47:05,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:05,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465935042] [2021-01-06 20:47:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:05,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465935042] [2021-01-06 20:47:05,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:05,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:47:05,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120111020] [2021-01-06 20:47:05,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:47:05,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:05,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:47:05,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:47:05,253 INFO L87 Difference]: Start difference. First operand 9260 states and 14482 transitions. Second operand 5 states. [2021-01-06 20:47:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:06,642 INFO L93 Difference]: Finished difference Result 27442 states and 43000 transitions. [2021-01-06 20:47:06,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:06,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 20:47:06,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:06,714 INFO L225 Difference]: With dead ends: 27442 [2021-01-06 20:47:06,714 INFO L226 Difference]: Without dead ends: 18236 [2021-01-06 20:47:06,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18236 states. [2021-01-06 20:47:08,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18236 to 18234. [2021-01-06 20:47:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18234 states. [2021-01-06 20:47:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18234 states to 18234 states and 28385 transitions. [2021-01-06 20:47:08,175 INFO L78 Accepts]: Start accepts. Automaton has 18234 states and 28385 transitions. Word has length 81 [2021-01-06 20:47:08,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:08,176 INFO L481 AbstractCegarLoop]: Abstraction has 18234 states and 28385 transitions. [2021-01-06 20:47:08,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:47:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 18234 states and 28385 transitions. [2021-01-06 20:47:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:47:08,182 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:08,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:08,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:47:08,183 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:08,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:08,189 INFO L82 PathProgramCache]: Analyzing trace with hash -336684807, now seen corresponding path program 1 times [2021-01-06 20:47:08,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:08,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807524461] [2021-01-06 20:47:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:08,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807524461] [2021-01-06 20:47:08,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:08,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:47:08,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918839838] [2021-01-06 20:47:08,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:47:08,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:08,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:47:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:47:08,327 INFO L87 Difference]: Start difference. First operand 18234 states and 28385 transitions. Second operand 5 states. [2021-01-06 20:47:10,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:10,470 INFO L93 Difference]: Finished difference Result 34380 states and 53202 transitions. [2021-01-06 20:47:10,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:47:10,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:47:10,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:10,562 INFO L225 Difference]: With dead ends: 34380 [2021-01-06 20:47:10,562 INFO L226 Difference]: Without dead ends: 34378 [2021-01-06 20:47:10,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:47:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34378 states. [2021-01-06 20:47:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34378 to 18474. [2021-01-06 20:47:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18474 states. [2021-01-06 20:47:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18474 states to 18474 states and 28625 transitions. [2021-01-06 20:47:11,919 INFO L78 Accepts]: Start accepts. Automaton has 18474 states and 28625 transitions. Word has length 82 [2021-01-06 20:47:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:11,920 INFO L481 AbstractCegarLoop]: Abstraction has 18474 states and 28625 transitions. [2021-01-06 20:47:11,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:47:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 18474 states and 28625 transitions. [2021-01-06 20:47:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:11,927 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:11,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:11,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:47:11,928 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:11,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:11,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1586000185, now seen corresponding path program 1 times [2021-01-06 20:47:11,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:11,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717760817] [2021-01-06 20:47:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:12,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717760817] [2021-01-06 20:47:12,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:12,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:12,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634705562] [2021-01-06 20:47:12,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:12,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:12,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:12,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:12,247 INFO L87 Difference]: Start difference. First operand 18474 states and 28625 transitions. Second operand 10 states. [2021-01-06 20:47:14,955 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2021-01-06 20:47:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:22,606 INFO L93 Difference]: Finished difference Result 139439 states and 216184 transitions. [2021-01-06 20:47:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-06 20:47:22,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-01-06 20:47:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:22,992 INFO L225 Difference]: With dead ends: 139439 [2021-01-06 20:47:22,992 INFO L226 Difference]: Without dead ends: 129181 [2021-01-06 20:47:23,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=380, Invalid=1180, Unknown=0, NotChecked=0, Total=1560 [2021-01-06 20:47:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129181 states. [2021-01-06 20:47:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129181 to 18691. [2021-01-06 20:47:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18691 states. [2021-01-06 20:47:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18691 states to 18691 states and 28912 transitions. [2021-01-06 20:47:26,043 INFO L78 Accepts]: Start accepts. Automaton has 18691 states and 28912 transitions. Word has length 83 [2021-01-06 20:47:26,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:26,043 INFO L481 AbstractCegarLoop]: Abstraction has 18691 states and 28912 transitions. [2021-01-06 20:47:26,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 18691 states and 28912 transitions. [2021-01-06 20:47:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:26,048 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:26,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:26,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:47:26,049 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash 640573063, now seen corresponding path program 1 times [2021-01-06 20:47:26,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:26,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942599949] [2021-01-06 20:47:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:26,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942599949] [2021-01-06 20:47:26,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:26,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:26,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068777355] [2021-01-06 20:47:26,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:26,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:26,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:26,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:26,270 INFO L87 Difference]: Start difference. First operand 18691 states and 28912 transitions. Second operand 10 states. [2021-01-06 20:47:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:36,054 INFO L93 Difference]: Finished difference Result 98090 states and 151135 transitions. [2021-01-06 20:47:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 20:47:36,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-01-06 20:47:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:36,220 INFO L225 Difference]: With dead ends: 98090 [2021-01-06 20:47:36,220 INFO L226 Difference]: Without dead ends: 95896 [2021-01-06 20:47:36,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:47:36,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95896 states. [2021-01-06 20:47:38,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95896 to 18691. [2021-01-06 20:47:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18691 states. [2021-01-06 20:47:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18691 states to 18691 states and 28910 transitions. [2021-01-06 20:47:38,526 INFO L78 Accepts]: Start accepts. Automaton has 18691 states and 28910 transitions. Word has length 83 [2021-01-06 20:47:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:38,526 INFO L481 AbstractCegarLoop]: Abstraction has 18691 states and 28910 transitions. [2021-01-06 20:47:38,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 18691 states and 28910 transitions. [2021-01-06 20:47:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:38,533 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:38,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:38,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:47:38,533 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:38,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:38,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1864782503, now seen corresponding path program 1 times [2021-01-06 20:47:38,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:38,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858172030] [2021-01-06 20:47:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:38,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858172030] [2021-01-06 20:47:38,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:38,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:38,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151341941] [2021-01-06 20:47:38,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:38,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:38,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:38,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:38,778 INFO L87 Difference]: Start difference. First operand 18691 states and 28910 transitions. Second operand 10 states. [2021-01-06 20:47:39,619 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2021-01-06 20:47:46,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:46,525 INFO L93 Difference]: Finished difference Result 59719 states and 91300 transitions. [2021-01-06 20:47:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 20:47:46,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-01-06 20:47:46,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:46,609 INFO L225 Difference]: With dead ends: 59719 [2021-01-06 20:47:46,610 INFO L226 Difference]: Without dead ends: 53765 [2021-01-06 20:47:46,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:47:46,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53765 states. [2021-01-06 20:47:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53765 to 19087. [2021-01-06 20:47:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19087 states. [2021-01-06 20:47:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19087 states to 19087 states and 29474 transitions. [2021-01-06 20:47:49,010 INFO L78 Accepts]: Start accepts. Automaton has 19087 states and 29474 transitions. Word has length 83 [2021-01-06 20:47:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:49,010 INFO L481 AbstractCegarLoop]: Abstraction has 19087 states and 29474 transitions. [2021-01-06 20:47:49,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 19087 states and 29474 transitions. [2021-01-06 20:47:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:49,017 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:49,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:49,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:47:49,018 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1599214311, now seen corresponding path program 1 times [2021-01-06 20:47:49,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:49,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516513670] [2021-01-06 20:47:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:49,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516513670] [2021-01-06 20:47:49,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:49,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:49,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723327183] [2021-01-06 20:47:49,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:49,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:49,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:49,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:49,255 INFO L87 Difference]: Start difference. First operand 19087 states and 29474 transitions. Second operand 10 states. [2021-01-06 20:47:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:59,776 INFO L93 Difference]: Finished difference Result 89431 states and 136992 transitions. [2021-01-06 20:47:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 20:47:59,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2021-01-06 20:47:59,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:59,878 INFO L225 Difference]: With dead ends: 89431 [2021-01-06 20:47:59,878 INFO L226 Difference]: Without dead ends: 76189 [2021-01-06 20:47:59,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2021-01-06 20:47:59,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76189 states. [2021-01-06 20:48:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76189 to 19391. [2021-01-06 20:48:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19391 states. [2021-01-06 20:48:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19391 states to 19391 states and 29871 transitions. [2021-01-06 20:48:02,713 INFO L78 Accepts]: Start accepts. Automaton has 19391 states and 29871 transitions. Word has length 83 [2021-01-06 20:48:02,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:02,713 INFO L481 AbstractCegarLoop]: Abstraction has 19391 states and 29871 transitions. [2021-01-06 20:48:02,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:48:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19391 states and 29871 transitions. [2021-01-06 20:48:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:48:02,721 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:02,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:02,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:48:02,721 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:02,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:02,722 INFO L82 PathProgramCache]: Analyzing trace with hash 67573609, now seen corresponding path program 1 times [2021-01-06 20:48:02,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:02,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376891960] [2021-01-06 20:48:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:02,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376891960] [2021-01-06 20:48:02,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:02,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:48:02,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484918725] [2021-01-06 20:48:02,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:48:02,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:02,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:48:02,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:48:02,814 INFO L87 Difference]: Start difference. First operand 19391 states and 29871 transitions. Second operand 6 states. [2021-01-06 20:48:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:09,637 INFO L93 Difference]: Finished difference Result 72525 states and 111755 transitions. [2021-01-06 20:48:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:48:09,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:48:09,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:09,703 INFO L225 Difference]: With dead ends: 72525 [2021-01-06 20:48:09,703 INFO L226 Difference]: Without dead ends: 53197 [2021-01-06 20:48:09,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:48:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53197 states. [2021-01-06 20:48:14,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53197 to 37878. [2021-01-06 20:48:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37878 states. [2021-01-06 20:48:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37878 states to 37878 states and 58120 transitions. [2021-01-06 20:48:14,875 INFO L78 Accepts]: Start accepts. Automaton has 37878 states and 58120 transitions. Word has length 83 [2021-01-06 20:48:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:14,875 INFO L481 AbstractCegarLoop]: Abstraction has 37878 states and 58120 transitions. [2021-01-06 20:48:14,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:48:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 37878 states and 58120 transitions. [2021-01-06 20:48:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:48:14,886 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:14,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:14,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:48:14,887 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:14,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1469957880, now seen corresponding path program 1 times [2021-01-06 20:48:14,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:14,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94168191] [2021-01-06 20:48:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:14,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94168191] [2021-01-06 20:48:14,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:14,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:48:14,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340855300] [2021-01-06 20:48:14,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:48:14,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:14,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:48:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:14,948 INFO L87 Difference]: Start difference. First operand 37878 states and 58120 transitions. Second operand 3 states. [2021-01-06 20:48:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:21,256 INFO L93 Difference]: Finished difference Result 59795 states and 91843 transitions. [2021-01-06 20:48:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:48:21,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 20:48:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:21,310 INFO L225 Difference]: With dead ends: 59795 [2021-01-06 20:48:21,310 INFO L226 Difference]: Without dead ends: 44073 [2021-01-06 20:48:21,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:21,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44073 states. [2021-01-06 20:48:27,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44073 to 43659. [2021-01-06 20:48:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43659 states. [2021-01-06 20:48:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43659 states to 43659 states and 66165 transitions. [2021-01-06 20:48:27,184 INFO L78 Accepts]: Start accepts. Automaton has 43659 states and 66165 transitions. Word has length 84 [2021-01-06 20:48:27,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:27,185 INFO L481 AbstractCegarLoop]: Abstraction has 43659 states and 66165 transitions. [2021-01-06 20:48:27,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:48:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 43659 states and 66165 transitions. [2021-01-06 20:48:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:48:27,194 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:27,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:27,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:48:27,194 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:27,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:27,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1045499168, now seen corresponding path program 1 times [2021-01-06 20:48:27,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:27,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188775677] [2021-01-06 20:48:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:27,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188775677] [2021-01-06 20:48:27,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:27,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:48:27,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336855166] [2021-01-06 20:48:27,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:48:27,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:27,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:48:27,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:48:27,307 INFO L87 Difference]: Start difference. First operand 43659 states and 66165 transitions. Second operand 4 states. [2021-01-06 20:48:38,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:38,611 INFO L93 Difference]: Finished difference Result 121187 states and 183471 transitions. [2021-01-06 20:48:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:48:38,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2021-01-06 20:48:38,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:38,724 INFO L225 Difference]: With dead ends: 121187 [2021-01-06 20:48:38,724 INFO L226 Difference]: Without dead ends: 79857 [2021-01-06 20:48:38,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:48:38,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79857 states. [2021-01-06 20:48:49,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79857 to 79303. [2021-01-06 20:48:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79303 states. [2021-01-06 20:48:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79303 states to 79303 states and 119069 transitions. [2021-01-06 20:48:49,846 INFO L78 Accepts]: Start accepts. Automaton has 79303 states and 119069 transitions. Word has length 84 [2021-01-06 20:48:49,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:49,847 INFO L481 AbstractCegarLoop]: Abstraction has 79303 states and 119069 transitions. [2021-01-06 20:48:49,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:48:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 79303 states and 119069 transitions. [2021-01-06 20:48:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:48:49,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:49,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:49,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:48:49,857 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:49,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:49,857 INFO L82 PathProgramCache]: Analyzing trace with hash -720169287, now seen corresponding path program 1 times [2021-01-06 20:48:49,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:49,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702256089] [2021-01-06 20:48:49,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:49,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702256089] [2021-01-06 20:48:49,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:49,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:48:49,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392316786] [2021-01-06 20:48:49,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:48:49,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:49,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:48:49,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:49,923 INFO L87 Difference]: Start difference. First operand 79303 states and 119069 transitions. Second operand 3 states. [2021-01-06 20:49:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:49:10,238 INFO L93 Difference]: Finished difference Result 211296 states and 317891 transitions. [2021-01-06 20:49:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:49:10,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 20:49:10,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:49:10,476 INFO L225 Difference]: With dead ends: 211296 [2021-01-06 20:49:10,477 INFO L226 Difference]: Without dead ends: 142954 [2021-01-06 20:49:10,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:49:10,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142954 states. [2021-01-06 20:49:26,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142954 to 111443. [2021-01-06 20:49:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111443 states. [2021-01-06 20:49:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111443 states to 111443 states and 166739 transitions. [2021-01-06 20:49:27,291 INFO L78 Accepts]: Start accepts. Automaton has 111443 states and 166739 transitions. Word has length 84 [2021-01-06 20:49:27,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:49:27,291 INFO L481 AbstractCegarLoop]: Abstraction has 111443 states and 166739 transitions. [2021-01-06 20:49:27,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:49:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 111443 states and 166739 transitions. [2021-01-06 20:49:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:49:27,305 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:49:27,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:49:27,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:49:27,305 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:49:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:49:27,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1264170607, now seen corresponding path program 1 times [2021-01-06 20:49:27,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:49:27,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921696088] [2021-01-06 20:49:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:49:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:49:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:49:27,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921696088] [2021-01-06 20:49:27,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:49:27,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:49:27,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236749643] [2021-01-06 20:49:27,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:49:27,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:49:27,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:49:27,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:49:27,360 INFO L87 Difference]: Start difference. First operand 111443 states and 166739 transitions. Second operand 3 states. [2021-01-06 20:49:44,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:49:44,599 INFO L93 Difference]: Finished difference Result 146215 states and 218119 transitions. [2021-01-06 20:49:44,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:49:44,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 20:49:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:49:44,792 INFO L225 Difference]: With dead ends: 146215 [2021-01-06 20:49:44,792 INFO L226 Difference]: Without dead ends: 114009 [2021-01-06 20:49:44,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:49:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114009 states. [2021-01-06 20:50:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114009 to 104287. [2021-01-06 20:50:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104287 states. [2021-01-06 20:50:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104287 states to 104287 states and 153617 transitions. [2021-01-06 20:50:01,161 INFO L78 Accepts]: Start accepts. Automaton has 104287 states and 153617 transitions. Word has length 84 [2021-01-06 20:50:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:50:01,161 INFO L481 AbstractCegarLoop]: Abstraction has 104287 states and 153617 transitions. [2021-01-06 20:50:01,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:50:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 104287 states and 153617 transitions. [2021-01-06 20:50:01,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:50:01,396 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:50:01,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:50:01,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:50:01,396 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:50:01,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:50:01,397 INFO L82 PathProgramCache]: Analyzing trace with hash 725890361, now seen corresponding path program 1 times [2021-01-06 20:50:01,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:50:01,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142718767] [2021-01-06 20:50:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:50:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:50:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:50:01,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142718767] [2021-01-06 20:50:01,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:50:01,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:50:01,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479459846] [2021-01-06 20:50:01,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:50:01,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:50:01,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:50:01,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:50:01,491 INFO L87 Difference]: Start difference. First operand 104287 states and 153617 transitions. Second operand 3 states. [2021-01-06 20:50:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:50:23,077 INFO L93 Difference]: Finished difference Result 207587 states and 306160 transitions. [2021-01-06 20:50:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:50:23,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 20:50:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:50:23,461 INFO L225 Difference]: With dead ends: 207587 [2021-01-06 20:50:23,461 INFO L226 Difference]: Without dead ends: 133659 [2021-01-06 20:50:23,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:50:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133659 states. [2021-01-06 20:50:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133659 to 132249. [2021-01-06 20:50:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132249 states. [2021-01-06 20:50:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132249 states to 132249 states and 192108 transitions. [2021-01-06 20:50:45,531 INFO L78 Accepts]: Start accepts. Automaton has 132249 states and 192108 transitions. Word has length 84 [2021-01-06 20:50:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:50:45,531 INFO L481 AbstractCegarLoop]: Abstraction has 132249 states and 192108 transitions. [2021-01-06 20:50:45,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:50:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 132249 states and 192108 transitions. [2021-01-06 20:50:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:50:45,546 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:50:45,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:50:45,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:50:45,546 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:50:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:50:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1100960768, now seen corresponding path program 1 times [2021-01-06 20:50:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:50:45,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239034686] [2021-01-06 20:50:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:50:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:50:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:50:45,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239034686] [2021-01-06 20:50:45,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:50:45,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:50:45,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634054191] [2021-01-06 20:50:45,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:50:45,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:50:45,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:50:45,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:50:45,686 INFO L87 Difference]: Start difference. First operand 132249 states and 192108 transitions. Second operand 7 states.