/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.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 21:00:31,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 21:00:31,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 21:00:31,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 21:00:31,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 21:00:31,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 21:00:31,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 21:00:31,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 21:00:31,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 21:00:31,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 21:00:31,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 21:00:31,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 21:00:31,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 21:00:31,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 21:00:31,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 21:00:31,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 21:00:31,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 21:00:31,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 21:00:31,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 21:00:31,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 21:00:31,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 21:00:31,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 21:00:31,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 21:00:31,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 21:00:31,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 21:00:31,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 21:00:31,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 21:00:31,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 21:00:31,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 21:00:31,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 21:00:31,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 21:00:31,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 21:00:31,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 21:00:31,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 21:00:31,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 21:00:31,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 21:00:31,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 21:00:31,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 21:00:31,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 21:00:31,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 21:00:31,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 21:00:31,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 21:00:31,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 21:00:31,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 21:00:31,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 21:00:31,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 21:00:31,592 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 21:00:31,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 21:00:31,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 21:00:31,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 21:00:31,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 21:00:31,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 21:00:31,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 21:00:31,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 21:00:31,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 21:00:31,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 21:00:31,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 21:00:31,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 21:00:31,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 21:00:31,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:00:31,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 21:00:31,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 21:00:31,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 21:00:31,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 21:00:31,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 21:00:31,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 21:00:31,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 21:00:31,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 21:00:31,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 21:00:32,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 21:00:32,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 21:00:32,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 21:00:32,028 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 21:00:32,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2021-01-06 21:00:32,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/933d138c8/f949fb9759d0493c8c62826e17ae5594/FLAG39d491e59 [2021-01-06 21:00:32,992 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 21:00:32,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2021-01-06 21:00:33,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/933d138c8/f949fb9759d0493c8c62826e17ae5594/FLAG39d491e59 [2021-01-06 21:00:33,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/933d138c8/f949fb9759d0493c8c62826e17ae5594 [2021-01-06 21:00:33,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 21:00:33,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 21:00:33,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 21:00:33,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 21:00:33,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 21:00:33,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:33,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ff0a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33, skipping insertion in model container [2021-01-06 21:00:33,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:33,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 21:00:33,332 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_999~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1104~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_1204~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~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[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1306~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2021-01-06 21:00:33,692 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[9872,9885] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1217~0,GLOBAL] 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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,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[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 21:00:33,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:00:33,774 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_999~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1104~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_1204~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~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[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1306~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2021-01-06 21:00:33,908 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.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[9872,9885] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1217~0,GLOBAL] 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[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,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[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 21:00:33,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:00:33,973 INFO L208 MainTranslator]: Completed translation [2021-01-06 21:00:33,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33 WrapperNode [2021-01-06 21:00:33,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 21:00:33,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 21:00:33,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 21:00:33,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 21:00:33,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 21:00:34,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 21:00:34,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 21:00:34,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 21:00:34,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... [2021-01-06 21:00:34,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 21:00:34,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 21:00:34,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 21:00:34,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 21:00:34,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:00:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 21:00:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 21:00:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 21:00:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 21:00:35,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 21:00:35,436 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 21:00:35,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:00:35 BoogieIcfgContainer [2021-01-06 21:00:35,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 21:00:35,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 21:00:35,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 21:00:35,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 21:00:35,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:00:33" (1/3) ... [2021-01-06 21:00:35,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3928f55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:00:35, skipping insertion in model container [2021-01-06 21:00:35,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:00:33" (2/3) ... [2021-01-06 21:00:35,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3928f55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:00:35, skipping insertion in model container [2021-01-06 21:00:35,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:00:35" (3/3) ... [2021-01-06 21:00:35,473 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2021-01-06 21:00:35,482 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 21:00:35,488 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 21:00:35,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 21:00:35,571 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 21:00:35,571 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 21:00:35,571 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 21:00:35,572 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 21:00:35,572 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 21:00:35,572 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 21:00:35,572 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 21:00:35,572 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 21:00:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2021-01-06 21:00:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 21:00:35,630 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:35,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:35,633 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1369000833, now seen corresponding path program 1 times [2021-01-06 21:00:35,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:35,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256241180] [2021-01-06 21:00:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:36,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256241180] [2021-01-06 21:00:36,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:36,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:00:36,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997164308] [2021-01-06 21:00:36,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 21:00:36,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:36,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 21:00:36,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 21:00:36,194 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2021-01-06 21:00:36,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:36,354 INFO L93 Difference]: Finished difference Result 403 states and 654 transitions. [2021-01-06 21:00:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 21:00:36,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2021-01-06 21:00:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:36,371 INFO L225 Difference]: With dead ends: 403 [2021-01-06 21:00:36,371 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 21:00:36,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:00:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 21:00:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-01-06 21:00:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2021-01-06 21:00:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 317 transitions. [2021-01-06 21:00:36,446 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 317 transitions. Word has length 79 [2021-01-06 21:00:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:36,447 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 317 transitions. [2021-01-06 21:00:36,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 21:00:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2021-01-06 21:00:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 21:00:36,458 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:36,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:36,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 21:00:36,459 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:36,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:36,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1406572509, now seen corresponding path program 1 times [2021-01-06 21:00:36,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:36,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552080977] [2021-01-06 21:00:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:36,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552080977] [2021-01-06 21:00:36,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:36,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:36,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209606211] [2021-01-06 21:00:36,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:36,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:36,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:36,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:36,722 INFO L87 Difference]: Start difference. First operand 212 states and 317 transitions. Second operand 3 states. [2021-01-06 21:00:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:36,778 INFO L93 Difference]: Finished difference Result 480 states and 743 transitions. [2021-01-06 21:00:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:36,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 21:00:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:36,782 INFO L225 Difference]: With dead ends: 480 [2021-01-06 21:00:36,783 INFO L226 Difference]: Without dead ends: 309 [2021-01-06 21:00:36,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-01-06 21:00:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-01-06 21:00:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2021-01-06 21:00:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 467 transitions. [2021-01-06 21:00:36,815 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 467 transitions. Word has length 109 [2021-01-06 21:00:36,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:36,815 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 467 transitions. [2021-01-06 21:00:36,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 467 transitions. [2021-01-06 21:00:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 21:00:36,819 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:36,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:36,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 21:00:36,819 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:36,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1105344852, now seen corresponding path program 1 times [2021-01-06 21:00:36,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:36,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923481793] [2021-01-06 21:00:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:37,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923481793] [2021-01-06 21:00:37,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:37,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:37,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200674182] [2021-01-06 21:00:37,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:37,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:37,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:37,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,059 INFO L87 Difference]: Start difference. First operand 307 states and 467 transitions. Second operand 3 states. [2021-01-06 21:00:37,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:37,133 INFO L93 Difference]: Finished difference Result 735 states and 1148 transitions. [2021-01-06 21:00:37,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:37,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2021-01-06 21:00:37,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:37,138 INFO L225 Difference]: With dead ends: 735 [2021-01-06 21:00:37,138 INFO L226 Difference]: Without dead ends: 475 [2021-01-06 21:00:37,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-01-06 21:00:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2021-01-06 21:00:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 21:00:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 729 transitions. [2021-01-06 21:00:37,201 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 729 transitions. Word has length 111 [2021-01-06 21:00:37,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:37,201 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 729 transitions. [2021-01-06 21:00:37,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 729 transitions. [2021-01-06 21:00:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 21:00:37,204 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:37,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:37,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 21:00:37,210 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:37,211 INFO L82 PathProgramCache]: Analyzing trace with hash 287285005, now seen corresponding path program 1 times [2021-01-06 21:00:37,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:37,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240354553] [2021-01-06 21:00:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:37,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240354553] [2021-01-06 21:00:37,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:37,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:37,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672572239] [2021-01-06 21:00:37,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:37,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:37,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:37,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,354 INFO L87 Difference]: Start difference. First operand 473 states and 729 transitions. Second operand 3 states. [2021-01-06 21:00:37,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:37,428 INFO L93 Difference]: Finished difference Result 1175 states and 1844 transitions. [2021-01-06 21:00:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:37,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-01-06 21:00:37,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:37,437 INFO L225 Difference]: With dead ends: 1175 [2021-01-06 21:00:37,437 INFO L226 Difference]: Without dead ends: 755 [2021-01-06 21:00:37,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2021-01-06 21:00:37,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 753. [2021-01-06 21:00:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 21:00:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1169 transitions. [2021-01-06 21:00:37,490 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1169 transitions. Word has length 113 [2021-01-06 21:00:37,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:37,491 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1169 transitions. [2021-01-06 21:00:37,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1169 transitions. [2021-01-06 21:00:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-01-06 21:00:37,494 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:37,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:37,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 21:00:37,495 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:37,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:37,495 INFO L82 PathProgramCache]: Analyzing trace with hash 155565224, now seen corresponding path program 1 times [2021-01-06 21:00:37,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:37,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451509242] [2021-01-06 21:00:37,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:37,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451509242] [2021-01-06 21:00:37,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:37,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:37,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450255729] [2021-01-06 21:00:37,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:37,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:37,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:37,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,601 INFO L87 Difference]: Start difference. First operand 753 states and 1169 transitions. Second operand 3 states. [2021-01-06 21:00:37,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:37,714 INFO L93 Difference]: Finished difference Result 1901 states and 2984 transitions. [2021-01-06 21:00:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:37,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2021-01-06 21:00:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:37,724 INFO L225 Difference]: With dead ends: 1901 [2021-01-06 21:00:37,724 INFO L226 Difference]: Without dead ends: 1207 [2021-01-06 21:00:37,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2021-01-06 21:00:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2021-01-06 21:00:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2021-01-06 21:00:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1873 transitions. [2021-01-06 21:00:37,789 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1873 transitions. Word has length 115 [2021-01-06 21:00:37,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:37,789 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 1873 transitions. [2021-01-06 21:00:37,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1873 transitions. [2021-01-06 21:00:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 21:00:37,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:37,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:37,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 21:00:37,797 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:37,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash -2047962190, now seen corresponding path program 1 times [2021-01-06 21:00:37,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:37,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057297971] [2021-01-06 21:00:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:37,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057297971] [2021-01-06 21:00:37,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:37,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:37,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385218691] [2021-01-06 21:00:37,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:37,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:37,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:37,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:37,919 INFO L87 Difference]: Start difference. First operand 1205 states and 1873 transitions. Second operand 3 states. [2021-01-06 21:00:38,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:38,033 INFO L93 Difference]: Finished difference Result 3031 states and 4736 transitions. [2021-01-06 21:00:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:38,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-06 21:00:38,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:38,045 INFO L225 Difference]: With dead ends: 3031 [2021-01-06 21:00:38,045 INFO L226 Difference]: Without dead ends: 1891 [2021-01-06 21:00:38,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:38,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2021-01-06 21:00:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1889. [2021-01-06 21:00:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1889 states. [2021-01-06 21:00:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2921 transitions. [2021-01-06 21:00:38,179 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2921 transitions. Word has length 117 [2021-01-06 21:00:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:38,180 INFO L481 AbstractCegarLoop]: Abstraction has 1889 states and 2921 transitions. [2021-01-06 21:00:38,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2921 transitions. [2021-01-06 21:00:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:38,186 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:38,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:38,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 21:00:38,187 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:38,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:38,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1115406563, now seen corresponding path program 1 times [2021-01-06 21:00:38,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:38,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298701253] [2021-01-06 21:00:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:38,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298701253] [2021-01-06 21:00:38,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:38,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:38,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288429132] [2021-01-06 21:00:38,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:38,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:38,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:38,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:38,291 INFO L87 Difference]: Start difference. First operand 1889 states and 2921 transitions. Second operand 3 states. [2021-01-06 21:00:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:38,767 INFO L93 Difference]: Finished difference Result 5239 states and 8118 transitions. [2021-01-06 21:00:38,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:38,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2021-01-06 21:00:38,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:38,792 INFO L225 Difference]: With dead ends: 5239 [2021-01-06 21:00:38,792 INFO L226 Difference]: Without dead ends: 3715 [2021-01-06 21:00:38,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2021-01-06 21:00:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3713. [2021-01-06 21:00:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3713 states. [2021-01-06 21:00:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3713 states and 5738 transitions. [2021-01-06 21:00:39,041 INFO L78 Accepts]: Start accepts. Automaton has 3713 states and 5738 transitions. Word has length 119 [2021-01-06 21:00:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:39,043 INFO L481 AbstractCegarLoop]: Abstraction has 3713 states and 5738 transitions. [2021-01-06 21:00:39,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 5738 transitions. [2021-01-06 21:00:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:39,054 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:39,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:39,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 21:00:39,054 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:39,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:39,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1243491870, now seen corresponding path program 1 times [2021-01-06 21:00:39,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:39,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492522288] [2021-01-06 21:00:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:39,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492522288] [2021-01-06 21:00:39,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:39,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 21:00:39,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64122417] [2021-01-06 21:00:39,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:00:39,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:39,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:00:39,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:00:39,264 INFO L87 Difference]: Start difference. First operand 3713 states and 5738 transitions. Second operand 6 states. [2021-01-06 21:00:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:40,459 INFO L93 Difference]: Finished difference Result 10394 states and 16059 transitions. [2021-01-06 21:00:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 21:00:40,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2021-01-06 21:00:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:40,497 INFO L225 Difference]: With dead ends: 10394 [2021-01-06 21:00:40,498 INFO L226 Difference]: Without dead ends: 6720 [2021-01-06 21:00:40,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 21:00:40,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6720 states. [2021-01-06 21:00:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6720 to 6718. [2021-01-06 21:00:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6718 states. [2021-01-06 21:00:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6718 states to 6718 states and 10326 transitions. [2021-01-06 21:00:41,069 INFO L78 Accepts]: Start accepts. Automaton has 6718 states and 10326 transitions. Word has length 119 [2021-01-06 21:00:41,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:41,070 INFO L481 AbstractCegarLoop]: Abstraction has 6718 states and 10326 transitions. [2021-01-06 21:00:41,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:00:41,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6718 states and 10326 transitions. [2021-01-06 21:00:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:41,091 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:41,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:41,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 21:00:41,092 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:41,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:41,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1288765378, now seen corresponding path program 1 times [2021-01-06 21:00:41,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:41,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664468716] [2021-01-06 21:00:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:41,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664468716] [2021-01-06 21:00:41,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:41,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 21:00:41,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155294443] [2021-01-06 21:00:41,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 21:00:41,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:41,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 21:00:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 21:00:41,248 INFO L87 Difference]: Start difference. First operand 6718 states and 10326 transitions. Second operand 6 states. [2021-01-06 21:00:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:42,416 INFO L93 Difference]: Finished difference Result 18881 states and 28965 transitions. [2021-01-06 21:00:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 21:00:42,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2021-01-06 21:00:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:42,496 INFO L225 Difference]: With dead ends: 18881 [2021-01-06 21:00:42,497 INFO L226 Difference]: Without dead ends: 12232 [2021-01-06 21:00:42,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 21:00:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12232 states. [2021-01-06 21:00:43,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12232 to 12230. [2021-01-06 21:00:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12230 states. [2021-01-06 21:00:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12230 states to 12230 states and 18628 transitions. [2021-01-06 21:00:43,482 INFO L78 Accepts]: Start accepts. Automaton has 12230 states and 18628 transitions. Word has length 119 [2021-01-06 21:00:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:43,482 INFO L481 AbstractCegarLoop]: Abstraction has 12230 states and 18628 transitions. [2021-01-06 21:00:43,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 21:00:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12230 states and 18628 transitions. [2021-01-06 21:00:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:43,511 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:43,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:43,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 21:00:43,512 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:43,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1939525086, now seen corresponding path program 1 times [2021-01-06 21:00:43,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:43,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344698955] [2021-01-06 21:00:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:43,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344698955] [2021-01-06 21:00:43,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:43,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:00:43,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415424106] [2021-01-06 21:00:43,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 21:00:43,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:43,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 21:00:43,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:00:43,652 INFO L87 Difference]: Start difference. First operand 12230 states and 18628 transitions. Second operand 5 states. [2021-01-06 21:00:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:44,895 INFO L93 Difference]: Finished difference Result 24403 states and 37192 transitions. [2021-01-06 21:00:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 21:00:44,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2021-01-06 21:00:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:44,940 INFO L225 Difference]: With dead ends: 24403 [2021-01-06 21:00:44,941 INFO L226 Difference]: Without dead ends: 12230 [2021-01-06 21:00:44,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:00:44,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12230 states. [2021-01-06 21:00:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12230 to 12230. [2021-01-06 21:00:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12230 states. [2021-01-06 21:00:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12230 states to 12230 states and 18486 transitions. [2021-01-06 21:00:45,998 INFO L78 Accepts]: Start accepts. Automaton has 12230 states and 18486 transitions. Word has length 119 [2021-01-06 21:00:45,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:45,998 INFO L481 AbstractCegarLoop]: Abstraction has 12230 states and 18486 transitions. [2021-01-06 21:00:45,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 21:00:45,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12230 states and 18486 transitions. [2021-01-06 21:00:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:46,028 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:46,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:46,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 21:00:46,029 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:46,029 INFO L82 PathProgramCache]: Analyzing trace with hash -529000084, now seen corresponding path program 1 times [2021-01-06 21:00:46,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:46,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846668450] [2021-01-06 21:00:46,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:46,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846668450] [2021-01-06 21:00:46,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:46,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 21:00:46,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982753502] [2021-01-06 21:00:46,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 21:00:46,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:46,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 21:00:46,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 21:00:46,166 INFO L87 Difference]: Start difference. First operand 12230 states and 18486 transitions. Second operand 5 states. [2021-01-06 21:00:46,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:46,845 INFO L93 Difference]: Finished difference Result 17727 states and 26811 transitions. [2021-01-06 21:00:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 21:00:46,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2021-01-06 21:00:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:46,864 INFO L225 Difference]: With dead ends: 17727 [2021-01-06 21:00:46,864 INFO L226 Difference]: Without dead ends: 6172 [2021-01-06 21:00:46,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:00:46,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2021-01-06 21:00:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6172. [2021-01-06 21:00:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6172 states. [2021-01-06 21:00:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 9300 transitions. [2021-01-06 21:00:47,396 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 9300 transitions. Word has length 119 [2021-01-06 21:00:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:47,396 INFO L481 AbstractCegarLoop]: Abstraction has 6172 states and 9300 transitions. [2021-01-06 21:00:47,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 21:00:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 9300 transitions. [2021-01-06 21:00:47,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 21:00:47,410 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:47,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:47,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 21:00:47,411 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:47,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:47,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1387267810, now seen corresponding path program 1 times [2021-01-06 21:00:47,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:47,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129318215] [2021-01-06 21:00:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:47,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129318215] [2021-01-06 21:00:47,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:47,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:00:47,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023947204] [2021-01-06 21:00:47,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:00:47,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:47,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:00:47,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:00:47,561 INFO L87 Difference]: Start difference. First operand 6172 states and 9300 transitions. Second operand 7 states. [2021-01-06 21:00:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:51,088 INFO L93 Difference]: Finished difference Result 59265 states and 88879 transitions. [2021-01-06 21:00:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 21:00:51,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2021-01-06 21:00:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:51,241 INFO L225 Difference]: With dead ends: 59265 [2021-01-06 21:00:51,242 INFO L226 Difference]: Without dead ends: 53164 [2021-01-06 21:00:51,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-01-06 21:00:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53164 states. [2021-01-06 21:00:53,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53164 to 12135. [2021-01-06 21:00:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12135 states. [2021-01-06 21:00:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12135 states to 12135 states and 17900 transitions. [2021-01-06 21:00:53,255 INFO L78 Accepts]: Start accepts. Automaton has 12135 states and 17900 transitions. Word has length 119 [2021-01-06 21:00:53,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:53,256 INFO L481 AbstractCegarLoop]: Abstraction has 12135 states and 17900 transitions. [2021-01-06 21:00:53,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 21:00:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12135 states and 17900 transitions. [2021-01-06 21:00:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:00:53,297 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:53,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:53,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 21:00:53,298 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:53,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:53,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1816909586, now seen corresponding path program 1 times [2021-01-06 21:00:53,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:53,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009171754] [2021-01-06 21:00:53,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:53,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009171754] [2021-01-06 21:00:53,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:53,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:53,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848585423] [2021-01-06 21:00:53,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:53,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:53,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:53,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:53,403 INFO L87 Difference]: Start difference. First operand 12135 states and 17900 transitions. Second operand 3 states. [2021-01-06 21:00:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:54,930 INFO L93 Difference]: Finished difference Result 26518 states and 39051 transitions. [2021-01-06 21:00:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:54,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2021-01-06 21:00:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:54,966 INFO L225 Difference]: With dead ends: 26518 [2021-01-06 21:00:54,966 INFO L226 Difference]: Without dead ends: 14452 [2021-01-06 21:00:54,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14452 states. [2021-01-06 21:00:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14452 to 14450. [2021-01-06 21:00:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14450 states. [2021-01-06 21:00:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14450 states to 14450 states and 21059 transitions. [2021-01-06 21:00:56,354 INFO L78 Accepts]: Start accepts. Automaton has 14450 states and 21059 transitions. Word has length 123 [2021-01-06 21:00:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:00:56,354 INFO L481 AbstractCegarLoop]: Abstraction has 14450 states and 21059 transitions. [2021-01-06 21:00:56,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:00:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 14450 states and 21059 transitions. [2021-01-06 21:00:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:00:56,381 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:00:56,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:00:56,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 21:00:56,382 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:00:56,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:00:56,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1442440817, now seen corresponding path program 1 times [2021-01-06 21:00:56,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:00:56,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481485326] [2021-01-06 21:00:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:00:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:00:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:00:56,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481485326] [2021-01-06 21:00:56,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:00:56,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 21:00:56,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120327328] [2021-01-06 21:00:56,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 21:00:56,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:00:56,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 21:00:56,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:56,476 INFO L87 Difference]: Start difference. First operand 14450 states and 21059 transitions. Second operand 3 states. [2021-01-06 21:00:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:00:58,682 INFO L93 Difference]: Finished difference Result 41499 states and 60264 transitions. [2021-01-06 21:00:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 21:00:58,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2021-01-06 21:00:58,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:00:58,751 INFO L225 Difference]: With dead ends: 41499 [2021-01-06 21:00:58,751 INFO L226 Difference]: Without dead ends: 28609 [2021-01-06 21:00:58,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 21:00:58,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28609 states. [2021-01-06 21:01:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28609 to 28607. [2021-01-06 21:01:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28607 states. [2021-01-06 21:01:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28607 states to 28607 states and 41364 transitions. [2021-01-06 21:01:01,726 INFO L78 Accepts]: Start accepts. Automaton has 28607 states and 41364 transitions. Word has length 123 [2021-01-06 21:01:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:01:01,727 INFO L481 AbstractCegarLoop]: Abstraction has 28607 states and 41364 transitions. [2021-01-06 21:01:01,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 21:01:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28607 states and 41364 transitions. [2021-01-06 21:01:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:01:01,761 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:01:01,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:01:01,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 21:01:01,762 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:01:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:01:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1578658474, now seen corresponding path program 1 times [2021-01-06 21:01:01,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:01:01,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258163332] [2021-01-06 21:01:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:01:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:01:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:01:01,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258163332] [2021-01-06 21:01:01,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:01:01,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:01:01,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308916361] [2021-01-06 21:01:01,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:01:01,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:01:01,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:01:01,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:01:01,940 INFO L87 Difference]: Start difference. First operand 28607 states and 41364 transitions. Second operand 7 states. [2021-01-06 21:01:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:01:11,354 INFO L93 Difference]: Finished difference Result 161077 states and 232494 transitions. [2021-01-06 21:01:11,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 21:01:11,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2021-01-06 21:01:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:01:11,748 INFO L225 Difference]: With dead ends: 161077 [2021-01-06 21:01:11,748 INFO L226 Difference]: Without dead ends: 136611 [2021-01-06 21:01:11,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 21:01:12,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136611 states. [2021-01-06 21:01:16,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136611 to 53935. [2021-01-06 21:01:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53935 states. [2021-01-06 21:01:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53935 states to 53935 states and 77464 transitions. [2021-01-06 21:01:16,896 INFO L78 Accepts]: Start accepts. Automaton has 53935 states and 77464 transitions. Word has length 123 [2021-01-06 21:01:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:01:16,897 INFO L481 AbstractCegarLoop]: Abstraction has 53935 states and 77464 transitions. [2021-01-06 21:01:16,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 21:01:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 53935 states and 77464 transitions. [2021-01-06 21:01:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:01:16,960 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:01:16,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:01:16,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 21:01:16,961 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:01:16,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:01:16,962 INFO L82 PathProgramCache]: Analyzing trace with hash -210295029, now seen corresponding path program 1 times [2021-01-06 21:01:16,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:01:16,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880296123] [2021-01-06 21:01:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:01:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:01:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:01:17,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880296123] [2021-01-06 21:01:17,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:01:17,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:01:17,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865865] [2021-01-06 21:01:17,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:01:17,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:01:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:01:17,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:01:17,116 INFO L87 Difference]: Start difference. First operand 53935 states and 77464 transitions. Second operand 7 states. [2021-01-06 21:01:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:01:29,506 INFO L93 Difference]: Finished difference Result 185637 states and 267590 transitions. [2021-01-06 21:01:29,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 21:01:29,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2021-01-06 21:01:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:01:29,820 INFO L225 Difference]: With dead ends: 185637 [2021-01-06 21:01:29,820 INFO L226 Difference]: Without dead ends: 161219 [2021-01-06 21:01:30,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 21:01:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161219 states. [2021-01-06 21:01:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161219 to 91411. [2021-01-06 21:01:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91411 states. [2021-01-06 21:01:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91411 states to 91411 states and 130864 transitions. [2021-01-06 21:01:38,408 INFO L78 Accepts]: Start accepts. Automaton has 91411 states and 130864 transitions. Word has length 123 [2021-01-06 21:01:38,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:01:38,408 INFO L481 AbstractCegarLoop]: Abstraction has 91411 states and 130864 transitions. [2021-01-06 21:01:38,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 21:01:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 91411 states and 130864 transitions. [2021-01-06 21:01:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:01:38,494 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:01:38,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:01:38,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 21:01:38,495 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:01:38,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:01:38,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1427174444, now seen corresponding path program 1 times [2021-01-06 21:01:38,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:01:38,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048618476] [2021-01-06 21:01:38,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:01:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:01:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:01:38,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048618476] [2021-01-06 21:01:38,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:01:38,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:01:38,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62116361] [2021-01-06 21:01:38,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:01:38,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:01:38,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:01:38,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:01:38,651 INFO L87 Difference]: Start difference. First operand 91411 states and 130864 transitions. Second operand 7 states. [2021-01-06 21:01:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:01:53,885 INFO L93 Difference]: Finished difference Result 210683 states and 303368 transitions. [2021-01-06 21:01:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 21:01:53,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2021-01-06 21:01:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:01:54,366 INFO L225 Difference]: With dead ends: 210683 [2021-01-06 21:01:54,366 INFO L226 Difference]: Without dead ends: 186217 [2021-01-06 21:01:54,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 21:01:54,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186217 states. [2021-01-06 21:02:05,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186217 to 116813. [2021-01-06 21:02:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116813 states. [2021-01-06 21:02:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116813 states to 116813 states and 167174 transitions. [2021-01-06 21:02:05,806 INFO L78 Accepts]: Start accepts. Automaton has 116813 states and 167174 transitions. Word has length 123 [2021-01-06 21:02:05,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:02:05,806 INFO L481 AbstractCegarLoop]: Abstraction has 116813 states and 167174 transitions. [2021-01-06 21:02:05,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 21:02:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 116813 states and 167174 transitions. [2021-01-06 21:02:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:02:05,889 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:02:05,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:02:05,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 21:02:05,889 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:02:05,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:02:05,890 INFO L82 PathProgramCache]: Analyzing trace with hash 758673487, now seen corresponding path program 1 times [2021-01-06 21:02:05,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:02:05,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466350867] [2021-01-06 21:02:05,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:02:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:02:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:02:06,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466350867] [2021-01-06 21:02:06,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:02:06,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:02:06,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488986755] [2021-01-06 21:02:06,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:02:06,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:02:06,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:02:06,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:02:06,069 INFO L87 Difference]: Start difference. First operand 116813 states and 167174 transitions. Second operand 7 states. [2021-01-06 21:02:25,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:02:25,271 INFO L93 Difference]: Finished difference Result 235981 states and 339520 transitions. [2021-01-06 21:02:25,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 21:02:25,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2021-01-06 21:02:25,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:02:25,744 INFO L225 Difference]: With dead ends: 235981 [2021-01-06 21:02:25,744 INFO L226 Difference]: Without dead ends: 211515 [2021-01-06 21:02:25,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 21:02:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211515 states. [2021-01-06 21:02:40,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211515 to 142233. [2021-01-06 21:02:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142233 states. [2021-01-06 21:02:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142233 states to 142233 states and 203512 transitions. [2021-01-06 21:02:41,001 INFO L78 Accepts]: Start accepts. Automaton has 142233 states and 203512 transitions. Word has length 123 [2021-01-06 21:02:41,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:02:41,001 INFO L481 AbstractCegarLoop]: Abstraction has 142233 states and 203512 transitions. [2021-01-06 21:02:41,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 21:02:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 142233 states and 203512 transitions. [2021-01-06 21:02:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 21:02:41,110 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:02:41,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:02:41,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 21:02:41,111 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:02:41,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:02:41,112 INFO L82 PathProgramCache]: Analyzing trace with hash 151814446, now seen corresponding path program 1 times [2021-01-06 21:02:41,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:02:41,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144011363] [2021-01-06 21:02:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:02:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:02:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:02:41,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144011363] [2021-01-06 21:02:41,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:02:41,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 21:02:41,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185166173] [2021-01-06 21:02:41,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 21:02:41,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:02:41,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 21:02:41,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 21:02:41,293 INFO L87 Difference]: Start difference. First operand 142233 states and 203512 transitions. Second operand 7 states. [2021-01-06 21:03:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:03:04,833 INFO L93 Difference]: Finished difference Result 251595 states and 362250 transitions. [2021-01-06 21:03:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 21:03:04,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2021-01-06 21:03:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:03:05,331 INFO L225 Difference]: With dead ends: 251595 [2021-01-06 21:03:05,331 INFO L226 Difference]: Without dead ends: 231913 [2021-01-06 21:03:05,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 21:03:05,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231913 states.