/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:51:48,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:51:48,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:51:48,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:51:48,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:51:48,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:51:49,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:51:49,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:51:49,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:51:49,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:51:49,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:51:49,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:51:49,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:51:49,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:51:49,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:51:49,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:51:49,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:51:49,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:51:49,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:51:49,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:51:49,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:51:49,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:51:49,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:51:49,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:51:49,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:51:49,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:51:49,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:51:49,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:51:49,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:51:49,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:51:49,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:51:49,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:51:49,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:51:49,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:51:49,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:51:49,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:51:49,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:51:49,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:51:49,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:51:49,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:51:49,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:51:49,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 10:51:49,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:51:49,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:51:49,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:51:49,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:51:49,098 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:51:49,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:51:49,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:51:49,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:51:49,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:51:49,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:51:49,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:51:49,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:51:49,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:51:49,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:51:49,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:51:49,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:51:49,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:51:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:51:49,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:51:49,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:51:49,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:51:49,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:51:49,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:51:49,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:51:49,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:51:49,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:51:49,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:51:49,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:51:49,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:51:49,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:51:49,518 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:51:49,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:51:49,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/eb51cd0d0/9f590d51d8a94a289446ac433293947c/FLAGa0e84e43a [2020-12-23 10:51:50,300 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:51:50,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:51:50,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/eb51cd0d0/9f590d51d8a94a289446ac433293947c/FLAGa0e84e43a [2020-12-23 10:51:50,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/eb51cd0d0/9f590d51d8a94a289446ac433293947c [2020-12-23 10:51:50,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:51:50,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:51:50,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:51:50,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:51:50,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:51:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:51:50" (1/1) ... [2020-12-23 10:51:50,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87e31a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:50, skipping insertion in model container [2020-12-23 10:51:50,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:51:50" (1/1) ... [2020-12-23 10:51:50,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:51:50,745 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58584~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58704~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_58892~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:51:51,007 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2020-12-23 10:51:51,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:51:51,238 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58584~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_58704~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_58892~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:51:51,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2020-12-23 10:51:51,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:51:51,499 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:51:51,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51 WrapperNode [2020-12-23 10:51:51,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:51:51,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:51:51,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:51:51,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:51:51,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:51:51,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:51:51,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:51:51,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:51:51,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... [2020-12-23 10:51:51,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:51:51,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:51:51,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:51:51,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:51:51,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:51:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:51:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:51:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:51:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:51:52,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:51:52,846 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:51:52,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:51:52 BoogieIcfgContainer [2020-12-23 10:51:52,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:51:52,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:51:52,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:51:52,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:51:52,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:51:50" (1/3) ... [2020-12-23 10:51:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:51:52, skipping insertion in model container [2020-12-23 10:51:52,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:51:51" (2/3) ... [2020-12-23 10:51:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:51:52, skipping insertion in model container [2020-12-23 10:51:52,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:51:52" (3/3) ... [2020-12-23 10:51:52,857 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:51:52,864 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:51:52,869 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:51:52,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:51:52,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:51:52,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:51:52,918 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:51:52,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:51:52,918 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:51:52,919 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:51:52,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:51:52,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:51:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-12-23 10:51:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 10:51:52,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:52,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:51:52,952 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:52,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1949123702, now seen corresponding path program 1 times [2020-12-23 10:51:52,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:52,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228738101] [2020-12-23 10:51:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:53,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228738101] [2020-12-23 10:51:53,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:53,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:51:53,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757826064] [2020-12-23 10:51:53,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:51:53,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:53,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:51:53,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:51:53,534 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-12-23 10:51:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:51:53,654 INFO L93 Difference]: Finished difference Result 436 states and 718 transitions. [2020-12-23 10:51:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:51:53,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 10:51:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:51:53,677 INFO L225 Difference]: With dead ends: 436 [2020-12-23 10:51:53,677 INFO L226 Difference]: Without dead ends: 328 [2020-12-23 10:51:53,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:51:53,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-12-23 10:51:53,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2020-12-23 10:51:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-12-23 10:51:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 490 transitions. [2020-12-23 10:51:53,766 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 490 transitions. Word has length 80 [2020-12-23 10:51:53,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:51:53,767 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 490 transitions. [2020-12-23 10:51:53,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:51:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 490 transitions. [2020-12-23 10:51:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 10:51:53,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:53,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:51:53,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:51:53,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:53,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:53,773 INFO L82 PathProgramCache]: Analyzing trace with hash 13403552, now seen corresponding path program 1 times [2020-12-23 10:51:53,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:53,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715450801] [2020-12-23 10:51:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:54,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715450801] [2020-12-23 10:51:54,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:54,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 10:51:54,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038874370] [2020-12-23 10:51:54,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 10:51:54,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 10:51:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:51:54,207 INFO L87 Difference]: Start difference. First operand 326 states and 490 transitions. Second operand 7 states. [2020-12-23 10:51:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:51:54,794 INFO L93 Difference]: Finished difference Result 1412 states and 2192 transitions. [2020-12-23 10:51:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 10:51:54,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-12-23 10:51:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:51:54,808 INFO L225 Difference]: With dead ends: 1412 [2020-12-23 10:51:54,808 INFO L226 Difference]: Without dead ends: 1166 [2020-12-23 10:51:54,815 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 [2020-12-23 10:51:54,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2020-12-23 10:51:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1158. [2020-12-23 10:51:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-12-23 10:51:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1791 transitions. [2020-12-23 10:51:54,965 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1791 transitions. Word has length 81 [2020-12-23 10:51:54,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:51:54,969 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 1791 transitions. [2020-12-23 10:51:54,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 10:51:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1791 transitions. [2020-12-23 10:51:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:51:54,982 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:54,983 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] [2020-12-23 10:51:54,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:51:54,984 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:54,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:54,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2050473049, now seen corresponding path program 1 times [2020-12-23 10:51:54,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:54,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879783325] [2020-12-23 10:51:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:55,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879783325] [2020-12-23 10:51:55,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:55,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:51:55,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457843842] [2020-12-23 10:51:55,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:51:55,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:55,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:51:55,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:51:55,178 INFO L87 Difference]: Start difference. First operand 1158 states and 1791 transitions. Second operand 6 states. [2020-12-23 10:51:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:51:55,802 INFO L93 Difference]: Finished difference Result 3853 states and 6046 transitions. [2020-12-23 10:51:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:51:55,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-12-23 10:51:55,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:51:55,821 INFO L225 Difference]: With dead ends: 3853 [2020-12-23 10:51:55,821 INFO L226 Difference]: Without dead ends: 2776 [2020-12-23 10:51:55,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:51:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2020-12-23 10:51:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2772. [2020-12-23 10:51:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2020-12-23 10:51:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4337 transitions. [2020-12-23 10:51:56,086 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4337 transitions. Word has length 82 [2020-12-23 10:51:56,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:51:56,093 INFO L481 AbstractCegarLoop]: Abstraction has 2772 states and 4337 transitions. [2020-12-23 10:51:56,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:51:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4337 transitions. [2020-12-23 10:51:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:51:56,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:56,100 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] [2020-12-23 10:51:56,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:51:56,101 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:56,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:56,102 INFO L82 PathProgramCache]: Analyzing trace with hash 269412074, now seen corresponding path program 1 times [2020-12-23 10:51:56,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:56,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886006889] [2020-12-23 10:51:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:56,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886006889] [2020-12-23 10:51:56,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:56,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:51:56,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836527408] [2020-12-23 10:51:56,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:51:56,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:56,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:51:56,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:51:56,283 INFO L87 Difference]: Start difference. First operand 2772 states and 4337 transitions. Second operand 5 states. [2020-12-23 10:51:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:51:56,944 INFO L93 Difference]: Finished difference Result 7771 states and 12233 transitions. [2020-12-23 10:51:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:51:56,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 10:51:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:51:56,973 INFO L225 Difference]: With dead ends: 7771 [2020-12-23 10:51:56,973 INFO L226 Difference]: Without dead ends: 5110 [2020-12-23 10:51:56,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:51:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2020-12-23 10:51:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 5108. [2020-12-23 10:51:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5108 states. [2020-12-23 10:51:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 7995 transitions. [2020-12-23 10:51:57,355 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 7995 transitions. Word has length 82 [2020-12-23 10:51:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:51:57,356 INFO L481 AbstractCegarLoop]: Abstraction has 5108 states and 7995 transitions. [2020-12-23 10:51:57,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:51:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 7995 transitions. [2020-12-23 10:51:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:51:57,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:57,361 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] [2020-12-23 10:51:57,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:51:57,361 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:57,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:57,362 INFO L82 PathProgramCache]: Analyzing trace with hash 778028859, now seen corresponding path program 1 times [2020-12-23 10:51:57,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:57,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033974864] [2020-12-23 10:51:57,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:57,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033974864] [2020-12-23 10:51:57,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:57,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:51:57,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083965751] [2020-12-23 10:51:57,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:51:57,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:57,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:51:57,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:51:57,496 INFO L87 Difference]: Start difference. First operand 5108 states and 7995 transitions. Second operand 5 states. [2020-12-23 10:51:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:51:58,394 INFO L93 Difference]: Finished difference Result 14709 states and 23134 transitions. [2020-12-23 10:51:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:51:58,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 10:51:58,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:51:58,446 INFO L225 Difference]: With dead ends: 14709 [2020-12-23 10:51:58,446 INFO L226 Difference]: Without dead ends: 9746 [2020-12-23 10:51:58,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:51:58,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9746 states. [2020-12-23 10:51:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9746 to 9744. [2020-12-23 10:51:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9744 states. [2020-12-23 10:51:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9744 states to 9744 states and 15256 transitions. [2020-12-23 10:51:59,214 INFO L78 Accepts]: Start accepts. Automaton has 9744 states and 15256 transitions. Word has length 82 [2020-12-23 10:51:59,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:51:59,216 INFO L481 AbstractCegarLoop]: Abstraction has 9744 states and 15256 transitions. [2020-12-23 10:51:59,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:51:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 9744 states and 15256 transitions. [2020-12-23 10:51:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:51:59,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:51:59,220 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] [2020-12-23 10:51:59,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:51:59,220 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:51:59,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:51:59,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1091254392, now seen corresponding path program 1 times [2020-12-23 10:51:59,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:51:59,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822454150] [2020-12-23 10:51:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:51:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:51:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:51:59,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822454150] [2020-12-23 10:51:59,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:51:59,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:51:59,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114329328] [2020-12-23 10:51:59,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:51:59,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:51:59,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:51:59,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:51:59,345 INFO L87 Difference]: Start difference. First operand 9744 states and 15256 transitions. Second operand 5 states. [2020-12-23 10:52:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:52:00,916 INFO L93 Difference]: Finished difference Result 28886 states and 45310 transitions. [2020-12-23 10:52:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:52:00,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 10:52:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:52:00,983 INFO L225 Difference]: With dead ends: 28886 [2020-12-23 10:52:00,983 INFO L226 Difference]: Without dead ends: 19200 [2020-12-23 10:52:00,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:52:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19200 states. [2020-12-23 10:52:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19200 to 19198. [2020-12-23 10:52:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19198 states. [2020-12-23 10:52:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19198 states to 19198 states and 29927 transitions. [2020-12-23 10:52:02,186 INFO L78 Accepts]: Start accepts. Automaton has 19198 states and 29927 transitions. Word has length 82 [2020-12-23 10:52:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:52:02,186 INFO L481 AbstractCegarLoop]: Abstraction has 19198 states and 29927 transitions. [2020-12-23 10:52:02,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:52:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 19198 states and 29927 transitions. [2020-12-23 10:52:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:52:02,192 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:52:02,192 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] [2020-12-23 10:52:02,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:52:02,192 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:52:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:52:02,193 INFO L82 PathProgramCache]: Analyzing trace with hash 980453495, now seen corresponding path program 1 times [2020-12-23 10:52:02,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:52:02,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27002471] [2020-12-23 10:52:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:52:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:52:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:52:02,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27002471] [2020-12-23 10:52:02,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:52:02,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:52:02,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107063686] [2020-12-23 10:52:02,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:52:02,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:52:02,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:52:02,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:52:02,290 INFO L87 Difference]: Start difference. First operand 19198 states and 29927 transitions. Second operand 6 states. [2020-12-23 10:52:05,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:52:05,283 INFO L93 Difference]: Finished difference Result 71566 states and 111476 transitions. [2020-12-23 10:52:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:52:05,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-12-23 10:52:05,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:52:05,441 INFO L225 Difference]: With dead ends: 71566 [2020-12-23 10:52:05,442 INFO L226 Difference]: Without dead ends: 52410 [2020-12-23 10:52:05,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:52:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52410 states. [2020-12-23 10:52:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52410 to 52406. [2020-12-23 10:52:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52406 states. [2020-12-23 10:52:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52406 states to 52406 states and 81159 transitions. [2020-12-23 10:52:08,460 INFO L78 Accepts]: Start accepts. Automaton has 52406 states and 81159 transitions. Word has length 82 [2020-12-23 10:52:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:52:08,461 INFO L481 AbstractCegarLoop]: Abstraction has 52406 states and 81159 transitions. [2020-12-23 10:52:08,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:52:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52406 states and 81159 transitions. [2020-12-23 10:52:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:52:08,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:52:08,484 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] [2020-12-23 10:52:08,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:52:08,485 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:52:08,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:52:08,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1660254060, now seen corresponding path program 1 times [2020-12-23 10:52:08,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:52:08,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23473455] [2020-12-23 10:52:08,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:52:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:52:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:52:08,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23473455] [2020-12-23 10:52:08,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:52:08,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:52:08,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375793246] [2020-12-23 10:52:08,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:52:08,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:52:08,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:52:08,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:52:08,769 INFO L87 Difference]: Start difference. First operand 52406 states and 81159 transitions. Second operand 5 states. [2020-12-23 10:52:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:52:13,240 INFO L93 Difference]: Finished difference Result 98736 states and 152128 transitions. [2020-12-23 10:52:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:52:13,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-12-23 10:52:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:52:13,469 INFO L225 Difference]: With dead ends: 98736 [2020-12-23 10:52:13,469 INFO L226 Difference]: Without dead ends: 98734 [2020-12-23 10:52:13,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:52:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98734 states. [2020-12-23 10:52:17,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98734 to 53078. [2020-12-23 10:52:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53078 states. [2020-12-23 10:52:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53078 states to 53078 states and 81831 transitions. [2020-12-23 10:52:17,538 INFO L78 Accepts]: Start accepts. Automaton has 53078 states and 81831 transitions. Word has length 83 [2020-12-23 10:52:17,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:52:17,539 INFO L481 AbstractCegarLoop]: Abstraction has 53078 states and 81831 transitions. [2020-12-23 10:52:17,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:52:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 53078 states and 81831 transitions. [2020-12-23 10:52:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:52:17,553 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:52:17,553 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] [2020-12-23 10:52:17,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:52:17,553 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:52:17,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:52:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash 207675476, now seen corresponding path program 1 times [2020-12-23 10:52:17,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:52:17,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919695114] [2020-12-23 10:52:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:52:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:52:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:52:17,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919695114] [2020-12-23 10:52:17,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:52:17,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:52:17,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149340330] [2020-12-23 10:52:17,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:52:17,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:52:17,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:52:17,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:52:17,856 INFO L87 Difference]: Start difference. First operand 53078 states and 81831 transitions. Second operand 10 states. [2020-12-23 10:52:43,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:52:43,569 INFO L93 Difference]: Finished difference Result 414855 states and 639286 transitions. [2020-12-23 10:52:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-23 10:52:43,569 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-12-23 10:52:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:52:44,603 INFO L225 Difference]: With dead ends: 414855 [2020-12-23 10:52:44,604 INFO L226 Difference]: Without dead ends: 383071 [2020-12-23 10:52:44,786 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 [2020-12-23 10:52:45,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383071 states. [2020-12-23 10:52:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383071 to 53573. [2020-12-23 10:52:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53573 states. [2020-12-23 10:52:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53573 states to 53573 states and 82476 transitions. [2020-12-23 10:52:51,836 INFO L78 Accepts]: Start accepts. Automaton has 53573 states and 82476 transitions. Word has length 84 [2020-12-23 10:52:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:52:51,836 INFO L481 AbstractCegarLoop]: Abstraction has 53573 states and 82476 transitions. [2020-12-23 10:52:51,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:52:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 53573 states and 82476 transitions. [2020-12-23 10:52:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:52:51,848 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:52:51,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:52:51,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:52:51,849 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:52:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:52:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1543265332, now seen corresponding path program 1 times [2020-12-23 10:52:51,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:52:51,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054474865] [2020-12-23 10:52:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:52:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:52:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:52:52,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054474865] [2020-12-23 10:52:52,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:52:52,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:52:52,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933836170] [2020-12-23 10:52:52,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:52:52,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:52:52,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:52:52,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:52:52,078 INFO L87 Difference]: Start difference. First operand 53573 states and 82476 transitions. Second operand 10 states. [2020-12-23 10:53:08,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:53:08,538 INFO L93 Difference]: Finished difference Result 178775 states and 271878 transitions. [2020-12-23 10:53:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 10:53:08,539 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-12-23 10:53:08,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:53:08,954 INFO L225 Difference]: With dead ends: 178775 [2020-12-23 10:53:08,954 INFO L226 Difference]: Without dead ends: 160341 [2020-12-23 10:53:09,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2020-12-23 10:53:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160341 states. [2020-12-23 10:53:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160341 to 54587. [2020-12-23 10:53:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54587 states. [2020-12-23 10:53:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54587 states to 54587 states and 83920 transitions. [2020-12-23 10:53:15,060 INFO L78 Accepts]: Start accepts. Automaton has 54587 states and 83920 transitions. Word has length 84 [2020-12-23 10:53:15,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:53:15,060 INFO L481 AbstractCegarLoop]: Abstraction has 54587 states and 83920 transitions. [2020-12-23 10:53:15,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:53:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 54587 states and 83920 transitions. [2020-12-23 10:53:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:53:15,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:53:15,074 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] [2020-12-23 10:53:15,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:53:15,075 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:53:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:53:15,075 INFO L82 PathProgramCache]: Analyzing trace with hash 940384276, now seen corresponding path program 1 times [2020-12-23 10:53:15,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:53:15,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149162289] [2020-12-23 10:53:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:53:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:53:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:53:15,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149162289] [2020-12-23 10:53:15,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:53:15,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:53:15,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675075490] [2020-12-23 10:53:15,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:53:15,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:53:15,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:53:15,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:53:15,289 INFO L87 Difference]: Start difference. First operand 54587 states and 83920 transitions. Second operand 10 states. [2020-12-23 10:53:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:53:43,953 INFO L93 Difference]: Finished difference Result 285189 states and 436805 transitions. [2020-12-23 10:53:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 10:53:43,954 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-12-23 10:53:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:53:44,648 INFO L225 Difference]: With dead ends: 285189 [2020-12-23 10:53:44,649 INFO L226 Difference]: Without dead ends: 278513 [2020-12-23 10:53:44,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2020-12-23 10:53:44,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278513 states. [2020-12-23 10:53:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278513 to 54373. [2020-12-23 10:53:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54373 states. [2020-12-23 10:53:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54373 states to 54373 states and 83600 transitions. [2020-12-23 10:53:52,358 INFO L78 Accepts]: Start accepts. Automaton has 54373 states and 83600 transitions. Word has length 84 [2020-12-23 10:53:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:53:52,358 INFO L481 AbstractCegarLoop]: Abstraction has 54373 states and 83600 transitions. [2020-12-23 10:53:52,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:53:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54373 states and 83600 transitions. [2020-12-23 10:53:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:53:52,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:53:52,370 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] [2020-12-23 10:53:52,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:53:52,371 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:53:52,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:53:52,372 INFO L82 PathProgramCache]: Analyzing trace with hash -43340684, now seen corresponding path program 1 times [2020-12-23 10:53:52,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:53:52,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318704494] [2020-12-23 10:53:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:53:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:53:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:53:52,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318704494] [2020-12-23 10:53:52,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:53:52,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:53:52,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036543435] [2020-12-23 10:53:52,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:53:52,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:53:52,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:53:52,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:53:52,606 INFO L87 Difference]: Start difference. First operand 54373 states and 83600 transitions. Second operand 10 states. [2020-12-23 10:54:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:21,339 INFO L93 Difference]: Finished difference Result 266609 states and 406281 transitions. [2020-12-23 10:54:21,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 10:54:21,340 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-12-23 10:54:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:21,715 INFO L225 Difference]: With dead ends: 266609 [2020-12-23 10:54:21,715 INFO L226 Difference]: Without dead ends: 225677 [2020-12-23 10:54:21,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2020-12-23 10:54:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225677 states. [2020-12-23 10:54:30,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225677 to 54855. [2020-12-23 10:54:30,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54855 states. [2020-12-23 10:54:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54855 states to 54855 states and 84217 transitions. [2020-12-23 10:54:30,773 INFO L78 Accepts]: Start accepts. Automaton has 54855 states and 84217 transitions. Word has length 84 [2020-12-23 10:54:30,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:30,774 INFO L481 AbstractCegarLoop]: Abstraction has 54855 states and 84217 transitions. [2020-12-23 10:54:30,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:54:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand 54855 states and 84217 transitions. [2020-12-23 10:54:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:54:30,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:30,785 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] [2020-12-23 10:54:30,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:54:30,785 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:30,785 INFO L82 PathProgramCache]: Analyzing trace with hash 558481556, now seen corresponding path program 1 times [2020-12-23 10:54:30,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:30,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703511446] [2020-12-23 10:54:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703511446] [2020-12-23 10:54:31,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:31,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:54:31,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812786320] [2020-12-23 10:54:31,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:54:31,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:31,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:54:31,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:54:31,041 INFO L87 Difference]: Start difference. First operand 54855 states and 84217 transitions. Second operand 10 states. [2020-12-23 10:55:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:18,452 INFO L93 Difference]: Finished difference Result 364040 states and 559487 transitions. [2020-12-23 10:55:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 10:55:18,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-12-23 10:55:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:19,080 INFO L225 Difference]: With dead ends: 364040 [2020-12-23 10:55:19,081 INFO L226 Difference]: Without dead ends: 311250