/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:45:23,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:45:23,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:45:23,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:45:23,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:45:23,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:45:23,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:45:23,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:45:23,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:45:23,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:45:23,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:45:23,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:45:23,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:45:23,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:45:23,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:45:23,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:45:23,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:45:23,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:45:23,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:45:23,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:45:23,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:45:23,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:45:23,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:45:23,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:45:23,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:45:23,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:45:23,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:45:23,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:45:23,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:45:23,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:45:23,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:45:23,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:45:23,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:45:23,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:45:23,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:45:23,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:45:23,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:45:23,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:45:23,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:45:23,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:45:23,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:45:23,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:45:23,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:45:23,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:45:23,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:45:23,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:45:23,430 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:45:23,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:45:23,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:45:23,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:45:23,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:45:23,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:45:23,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:45:23,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:45:23,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:45:23,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:45:23,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:45:23,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:45:23,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:45:23,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:45:23,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:45:23,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:45:23,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:45:23,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:45:23,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:45:23,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:45:23,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:45:23,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:45:23,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:45:23,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:45:23,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:45:23,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:45:23,849 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:45:23,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:45:23,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b94ad12a/b3b59556475648f594063854a2538661/FLAGf6b5fd6c6 [2021-01-06 20:45:24,792 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:45:24,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:45:24,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b94ad12a/b3b59556475648f594063854a2538661/FLAGf6b5fd6c6 [2021-01-06 20:45:25,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6b94ad12a/b3b59556475648f594063854a2538661 [2021-01-06 20:45:25,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:45:25,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:45:25,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:45:25,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:45:25,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:45:25,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f88ed4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25, skipping insertion in model container [2021-01-06 20:45:25,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:45:25,169 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33017~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33136~0,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[~__tmp_33297_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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_33329~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:45:25,417 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8205,8218] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~__tmp_33297_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_33342~0,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[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:45:25,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:45:25,562 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33017~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_33136~0,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[~__tmp_33297_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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_33329~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:45:25,710 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8205,8218] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~__tmp_33297_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_33342~0,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[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:45:25,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:45:25,819 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:45:25,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25 WrapperNode [2021-01-06 20:45:25,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:45:25,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:45:25,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:45:25,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:45:25,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:45:25,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:45:25,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:45:25,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:45:25,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:25,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:26,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:26,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:26,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... [2021-01-06 20:45:26,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:45:26,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:45:26,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:45:26,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:45:26,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:45:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:45:27,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:45:27,347 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:45:27,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:45:27 BoogieIcfgContainer [2021-01-06 20:45:27,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:45:27,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:45:27,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:45:27,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:45:27,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:45:25" (1/3) ... [2021-01-06 20:45:27,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:45:27, skipping insertion in model container [2021-01-06 20:45:27,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:45:25" (2/3) ... [2021-01-06 20:45:27,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:45:27, skipping insertion in model container [2021-01-06 20:45:27,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:45:27" (3/3) ... [2021-01-06 20:45:27,359 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:45:27,366 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:45:27,371 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:45:27,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:45:27,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:45:27,446 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:45:27,447 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:45:27,447 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:45:27,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:45:27,447 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:45:27,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:45:27,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:45:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2021-01-06 20:45:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 20:45:27,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:27,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:27,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:27,487 INFO L82 PathProgramCache]: Analyzing trace with hash -374161539, now seen corresponding path program 1 times [2021-01-06 20:45:27,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:27,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779726854] [2021-01-06 20:45:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:28,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779726854] [2021-01-06 20:45:28,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:28,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:45:28,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121951195] [2021-01-06 20:45:28,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:45:28,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:28,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:45:28,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:45:28,044 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2021-01-06 20:45:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:28,175 INFO L93 Difference]: Finished difference Result 418 states and 689 transitions. [2021-01-06 20:45:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:45:28,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 20:45:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:28,195 INFO L225 Difference]: With dead ends: 418 [2021-01-06 20:45:28,195 INFO L226 Difference]: Without dead ends: 315 [2021-01-06 20:45:28,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:45:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-01-06 20:45:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2021-01-06 20:45:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2021-01-06 20:45:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 467 transitions. [2021-01-06 20:45:28,296 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 467 transitions. Word has length 80 [2021-01-06 20:45:28,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:28,302 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 467 transitions. [2021-01-06 20:45:28,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:45:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 467 transitions. [2021-01-06 20:45:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:45:28,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:28,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:28,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:45:28,310 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:28,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:28,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1024475534, now seen corresponding path program 1 times [2021-01-06 20:45:28,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:28,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836406245] [2021-01-06 20:45:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:28,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836406245] [2021-01-06 20:45:28,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:28,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:45:28,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766475178] [2021-01-06 20:45:28,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:45:28,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:28,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:45:28,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:28,734 INFO L87 Difference]: Start difference. First operand 313 states and 467 transitions. Second operand 7 states. [2021-01-06 20:45:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:29,172 INFO L93 Difference]: Finished difference Result 1359 states and 2095 transitions. [2021-01-06 20:45:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:45:29,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2021-01-06 20:45:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:29,182 INFO L225 Difference]: With dead ends: 1359 [2021-01-06 20:45:29,182 INFO L226 Difference]: Without dead ends: 1123 [2021-01-06 20:45:29,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2021-01-06 20:45:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1115. [2021-01-06 20:45:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2021-01-06 20:45:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1712 transitions. [2021-01-06 20:45:29,274 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1712 transitions. Word has length 81 [2021-01-06 20:45:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:29,275 INFO L481 AbstractCegarLoop]: Abstraction has 1115 states and 1712 transitions. [2021-01-06 20:45:29,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:45:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1712 transitions. [2021-01-06 20:45:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:45:29,281 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:29,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:29,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:45:29,282 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:29,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1872628209, now seen corresponding path program 1 times [2021-01-06 20:45:29,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:29,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708831308] [2021-01-06 20:45:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:29,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708831308] [2021-01-06 20:45:29,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:29,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:45:29,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080415086] [2021-01-06 20:45:29,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:45:29,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:29,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:45:29,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:45:29,410 INFO L87 Difference]: Start difference. First operand 1115 states and 1712 transitions. Second operand 5 states. [2021-01-06 20:45:29,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:29,951 INFO L93 Difference]: Finished difference Result 3019 states and 4692 transitions. [2021-01-06 20:45:29,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:29,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:45:29,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:29,965 INFO L225 Difference]: With dead ends: 3019 [2021-01-06 20:45:29,965 INFO L226 Difference]: Without dead ends: 1959 [2021-01-06 20:45:29,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:29,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2021-01-06 20:45:30,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1957. [2021-01-06 20:45:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2021-01-06 20:45:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3024 transitions. [2021-01-06 20:45:30,124 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3024 transitions. Word has length 82 [2021-01-06 20:45:30,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:30,125 INFO L481 AbstractCegarLoop]: Abstraction has 1957 states and 3024 transitions. [2021-01-06 20:45:30,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3024 transitions. [2021-01-06 20:45:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:45:30,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:30,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:30,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:45:30,129 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:30,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1410777150, now seen corresponding path program 1 times [2021-01-06 20:45:30,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:30,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666744089] [2021-01-06 20:45:30,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:30,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666744089] [2021-01-06 20:45:30,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:30,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:45:30,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203280717] [2021-01-06 20:45:30,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:45:30,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:45:30,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:45:30,290 INFO L87 Difference]: Start difference. First operand 1957 states and 3024 transitions. Second operand 6 states. [2021-01-06 20:45:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:31,081 INFO L93 Difference]: Finished difference Result 6898 states and 10742 transitions. [2021-01-06 20:45:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:31,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2021-01-06 20:45:31,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:31,111 INFO L225 Difference]: With dead ends: 6898 [2021-01-06 20:45:31,111 INFO L226 Difference]: Without dead ends: 5019 [2021-01-06 20:45:31,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:45:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2021-01-06 20:45:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 5015. [2021-01-06 20:45:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5015 states. [2021-01-06 20:45:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 7778 transitions. [2021-01-06 20:45:31,518 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 7778 transitions. Word has length 82 [2021-01-06 20:45:31,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:31,518 INFO L481 AbstractCegarLoop]: Abstraction has 5015 states and 7778 transitions. [2021-01-06 20:45:31,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:45:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 7778 transitions. [2021-01-06 20:45:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:45:31,525 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:31,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:31,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:45:31,526 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:31,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:31,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1933266084, now seen corresponding path program 1 times [2021-01-06 20:45:31,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:31,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325560562] [2021-01-06 20:45:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:31,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325560562] [2021-01-06 20:45:31,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:31,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:45:31,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058499821] [2021-01-06 20:45:31,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:45:31,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:31,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:45:31,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:45:31,666 INFO L87 Difference]: Start difference. First operand 5015 states and 7778 transitions. Second operand 5 states. [2021-01-06 20:45:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:32,588 INFO L93 Difference]: Finished difference Result 14286 states and 22247 transitions. [2021-01-06 20:45:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:32,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:45:32,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:32,675 INFO L225 Difference]: With dead ends: 14286 [2021-01-06 20:45:32,676 INFO L226 Difference]: Without dead ends: 9413 [2021-01-06 20:45:32,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2021-01-06 20:45:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 9411. [2021-01-06 20:45:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9411 states. [2021-01-06 20:45:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9411 states to 9411 states and 14583 transitions. [2021-01-06 20:45:33,448 INFO L78 Accepts]: Start accepts. Automaton has 9411 states and 14583 transitions. Word has length 82 [2021-01-06 20:45:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:33,450 INFO L481 AbstractCegarLoop]: Abstraction has 9411 states and 14583 transitions. [2021-01-06 20:45:33,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 9411 states and 14583 transitions. [2021-01-06 20:45:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:45:33,458 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:33,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:33,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:45:33,459 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:33,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:33,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1259416403, now seen corresponding path program 1 times [2021-01-06 20:45:33,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:33,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424509746] [2021-01-06 20:45:33,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:33,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424509746] [2021-01-06 20:45:33,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:33,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:45:33,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569564436] [2021-01-06 20:45:33,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:45:33,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:33,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:45:33,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:45:33,605 INFO L87 Difference]: Start difference. First operand 9411 states and 14583 transitions. Second operand 5 states. [2021-01-06 20:45:35,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:35,159 INFO L93 Difference]: Finished difference Result 27540 states and 42746 transitions. [2021-01-06 20:45:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:35,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 20:45:35,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:35,245 INFO L225 Difference]: With dead ends: 27540 [2021-01-06 20:45:35,246 INFO L226 Difference]: Without dead ends: 18237 [2021-01-06 20:45:35,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:45:35,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18237 states. [2021-01-06 20:45:36,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18237 to 18235. [2021-01-06 20:45:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18235 states. [2021-01-06 20:45:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18235 states to 18235 states and 28146 transitions. [2021-01-06 20:45:36,828 INFO L78 Accepts]: Start accepts. Automaton has 18235 states and 28146 transitions. Word has length 82 [2021-01-06 20:45:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:36,829 INFO L481 AbstractCegarLoop]: Abstraction has 18235 states and 28146 transitions. [2021-01-06 20:45:36,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 18235 states and 28146 transitions. [2021-01-06 20:45:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:45:36,834 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:36,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:36,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:45:36,835 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash -407485162, now seen corresponding path program 1 times [2021-01-06 20:45:36,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:36,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966847500] [2021-01-06 20:45:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:36,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966847500] [2021-01-06 20:45:36,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:36,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:45:36,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771286757] [2021-01-06 20:45:36,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:45:36,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:45:36,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:45:36,973 INFO L87 Difference]: Start difference. First operand 18235 states and 28146 transitions. Second operand 6 states. [2021-01-06 20:45:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:40,034 INFO L93 Difference]: Finished difference Result 68658 states and 105920 transitions. [2021-01-06 20:45:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:45:40,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:45:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:40,200 INFO L225 Difference]: With dead ends: 68658 [2021-01-06 20:45:40,201 INFO L226 Difference]: Without dead ends: 50487 [2021-01-06 20:45:40,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:45:40,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50487 states. [2021-01-06 20:45:42,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50487 to 35921. [2021-01-06 20:45:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35921 states. [2021-01-06 20:45:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35921 states to 35921 states and 55155 transitions. [2021-01-06 20:45:43,035 INFO L78 Accepts]: Start accepts. Automaton has 35921 states and 55155 transitions. Word has length 83 [2021-01-06 20:45:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:43,036 INFO L481 AbstractCegarLoop]: Abstraction has 35921 states and 55155 transitions. [2021-01-06 20:45:43,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:45:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35921 states and 55155 transitions. [2021-01-06 20:45:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:45:43,045 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:43,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:43,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:45:43,046 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:43,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:43,047 INFO L82 PathProgramCache]: Analyzing trace with hash 174469786, now seen corresponding path program 1 times [2021-01-06 20:45:43,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:43,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756281980] [2021-01-06 20:45:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:43,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756281980] [2021-01-06 20:45:43,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:43,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:45:43,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746906049] [2021-01-06 20:45:43,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:45:43,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:43,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:45:43,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:45:43,162 INFO L87 Difference]: Start difference. First operand 35921 states and 55155 transitions. Second operand 5 states. [2021-01-06 20:45:46,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:46,566 INFO L93 Difference]: Finished difference Result 68331 states and 104428 transitions. [2021-01-06 20:45:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:45:46,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:45:46,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:46,724 INFO L225 Difference]: With dead ends: 68331 [2021-01-06 20:45:46,725 INFO L226 Difference]: Without dead ends: 68329 [2021-01-06 20:45:46,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:45:46,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68329 states. [2021-01-06 20:45:49,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68329 to 36401. [2021-01-06 20:45:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36401 states. [2021-01-06 20:45:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36401 states to 36401 states and 55635 transitions. [2021-01-06 20:45:49,693 INFO L78 Accepts]: Start accepts. Automaton has 36401 states and 55635 transitions. Word has length 83 [2021-01-06 20:45:49,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:49,693 INFO L481 AbstractCegarLoop]: Abstraction has 36401 states and 55635 transitions. [2021-01-06 20:45:49,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:45:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36401 states and 55635 transitions. [2021-01-06 20:45:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:45:49,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:49,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:49,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:45:49,707 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:49,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:49,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1373936999, now seen corresponding path program 1 times [2021-01-06 20:45:49,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:49,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519645733] [2021-01-06 20:45:49,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:45:49,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519645733] [2021-01-06 20:45:49,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:49,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:45:49,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582723375] [2021-01-06 20:45:49,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:45:49,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:49,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:45:49,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:45:49,948 INFO L87 Difference]: Start difference. First operand 36401 states and 55635 transitions. Second operand 10 states. [2021-01-06 20:46:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:02,281 INFO L93 Difference]: Finished difference Result 173116 states and 262084 transitions. [2021-01-06 20:46:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 20:46:02,281 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:46:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:02,506 INFO L225 Difference]: With dead ends: 173116 [2021-01-06 20:46:02,507 INFO L226 Difference]: Without dead ends: 147061 [2021-01-06 20:46:02,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2021-01-06 20:46:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147061 states. [2021-01-06 20:46:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147061 to 36600. [2021-01-06 20:46:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36600 states. [2021-01-06 20:46:07,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36600 states to 36600 states and 55896 transitions. [2021-01-06 20:46:07,214 INFO L78 Accepts]: Start accepts. Automaton has 36600 states and 55896 transitions. Word has length 84 [2021-01-06 20:46:07,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:07,215 INFO L481 AbstractCegarLoop]: Abstraction has 36600 states and 55896 transitions. [2021-01-06 20:46:07,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:07,215 INFO L276 IsEmpty]: Start isEmpty. Operand 36600 states and 55896 transitions. [2021-01-06 20:46:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:46:07,225 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:07,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:07,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:46:07,226 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:07,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1624682823, now seen corresponding path program 1 times [2021-01-06 20:46:07,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:07,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463323646] [2021-01-06 20:46:07,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:46:07,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463323646] [2021-01-06 20:46:07,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:07,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:07,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939061357] [2021-01-06 20:46:07,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:07,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:07,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:07,474 INFO L87 Difference]: Start difference. First operand 36600 states and 55896 transitions. Second operand 10 states. [2021-01-06 20:46:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:26,662 INFO L93 Difference]: Finished difference Result 206357 states and 314869 transitions. [2021-01-06 20:46:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:46:26,663 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:46:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:26,974 INFO L225 Difference]: With dead ends: 206357 [2021-01-06 20:46:26,975 INFO L226 Difference]: Without dead ends: 185976 [2021-01-06 20:46:27,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:46:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185976 states. [2021-01-06 20:46:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185976 to 37070. [2021-01-06 20:46:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37070 states. [2021-01-06 20:46:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37070 states to 37070 states and 56508 transitions. [2021-01-06 20:46:32,046 INFO L78 Accepts]: Start accepts. Automaton has 37070 states and 56508 transitions. Word has length 84 [2021-01-06 20:46:32,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:32,046 INFO L481 AbstractCegarLoop]: Abstraction has 37070 states and 56508 transitions. [2021-01-06 20:46:32,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:32,046 INFO L276 IsEmpty]: Start isEmpty. Operand 37070 states and 56508 transitions. [2021-01-06 20:46:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:46:32,057 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:32,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:32,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:46:32,058 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:32,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:32,059 INFO L82 PathProgramCache]: Analyzing trace with hash -817188601, now seen corresponding path program 1 times [2021-01-06 20:46:32,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:32,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191072004] [2021-01-06 20:46:32,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:46:32,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191072004] [2021-01-06 20:46:32,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:32,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:32,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842769950] [2021-01-06 20:46:32,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:32,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:32,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:32,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:32,279 INFO L87 Difference]: Start difference. First operand 37070 states and 56508 transitions. Second operand 10 states. [2021-01-06 20:46:53,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:53,949 INFO L93 Difference]: Finished difference Result 194410 states and 295185 transitions. [2021-01-06 20:46:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 20:46:53,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:46:53,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:54,461 INFO L225 Difference]: With dead ends: 194410 [2021-01-06 20:46:54,461 INFO L226 Difference]: Without dead ends: 190178 [2021-01-06 20:46:54,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:46:54,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190178 states. [2021-01-06 20:46:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190178 to 37070. [2021-01-06 20:46:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37070 states. [2021-01-06 20:46:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37070 states to 37070 states and 56504 transitions. [2021-01-06 20:46:59,952 INFO L78 Accepts]: Start accepts. Automaton has 37070 states and 56504 transitions. Word has length 84 [2021-01-06 20:46:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:59,952 INFO L481 AbstractCegarLoop]: Abstraction has 37070 states and 56504 transitions. [2021-01-06 20:46:59,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 37070 states and 56504 transitions. [2021-01-06 20:46:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:46:59,962 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:59,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:59,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:46:59,963 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:59,963 INFO L82 PathProgramCache]: Analyzing trace with hash -916583129, now seen corresponding path program 1 times [2021-01-06 20:46:59,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:59,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854712449] [2021-01-06 20:46:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:00,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854712449] [2021-01-06 20:47:00,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:00,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:00,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710957534] [2021-01-06 20:47:00,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:00,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:00,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:00,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:00,190 INFO L87 Difference]: Start difference. First operand 37070 states and 56504 transitions. Second operand 10 states. [2021-01-06 20:47:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:16,659 INFO L93 Difference]: Finished difference Result 118547 states and 178621 transitions. [2021-01-06 20:47:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 20:47:16,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2021-01-06 20:47:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:16,808 INFO L225 Difference]: With dead ends: 118547 [2021-01-06 20:47:16,808 INFO L226 Difference]: Without dead ends: 106713 [2021-01-06 20:47:16,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:47:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106713 states. [2021-01-06 20:47:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106713 to 37879. [2021-01-06 20:47:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37879 states. [2021-01-06 20:47:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37879 states to 37879 states and 57641 transitions. [2021-01-06 20:47:22,282 INFO L78 Accepts]: Start accepts. Automaton has 37879 states and 57641 transitions. Word has length 84 [2021-01-06 20:47:22,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:22,283 INFO L481 AbstractCegarLoop]: Abstraction has 37879 states and 57641 transitions. [2021-01-06 20:47:22,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 37879 states and 57641 transitions. [2021-01-06 20:47:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:47:22,294 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:22,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:22,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:47:22,295 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:22,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:22,296 INFO L82 PathProgramCache]: Analyzing trace with hash -298707139, now seen corresponding path program 1 times [2021-01-06 20:47:22,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:22,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496252840] [2021-01-06 20:47:22,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:22,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496252840] [2021-01-06 20:47:22,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:22,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:47:22,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38157328] [2021-01-06 20:47:22,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:47:22,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:22,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:47:22,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:47:22,538 INFO L87 Difference]: Start difference. First operand 37879 states and 57641 transitions. Second operand 10 states. [2021-01-06 20:47:27,119 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2021-01-06 20:48:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:09,187 INFO L93 Difference]: Finished difference Result 337545 states and 514721 transitions. [2021-01-06 20:48:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:48:09,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:48:09,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:09,745 INFO L225 Difference]: With dead ends: 337545 [2021-01-06 20:48:09,746 INFO L226 Difference]: Without dead ends: 301318 [2021-01-06 20:48:10,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:48:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301318 states. [2021-01-06 20:48:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301318 to 38238. [2021-01-06 20:48:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38238 states. [2021-01-06 20:48:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38238 states to 38238 states and 58052 transitions. [2021-01-06 20:48:18,666 INFO L78 Accepts]: Start accepts. Automaton has 38238 states and 58052 transitions. Word has length 85 [2021-01-06 20:48:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:18,666 INFO L481 AbstractCegarLoop]: Abstraction has 38238 states and 58052 transitions. [2021-01-06 20:48:18,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:48:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 38238 states and 58052 transitions. [2021-01-06 20:48:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:48:18,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:18,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:18,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:48:18,674 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -346590493, now seen corresponding path program 1 times [2021-01-06 20:48:18,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084472847] [2021-01-06 20:48:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:18,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084472847] [2021-01-06 20:48:18,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:18,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:48:18,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757608024] [2021-01-06 20:48:18,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:48:18,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:18,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:48:18,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:48:18,814 INFO L87 Difference]: Start difference. First operand 38238 states and 58052 transitions. Second operand 4 states. [2021-01-06 20:48:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:30,140 INFO L93 Difference]: Finished difference Result 104538 states and 158794 transitions. [2021-01-06 20:48:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:48:30,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2021-01-06 20:48:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:30,256 INFO L225 Difference]: With dead ends: 104538 [2021-01-06 20:48:30,257 INFO L226 Difference]: Without dead ends: 69128 [2021-01-06 20:48:30,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:48:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69128 states. [2021-01-06 20:48:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69128 to 69126. [2021-01-06 20:48:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69126 states. [2021-01-06 20:48:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69126 states to 69126 states and 104360 transitions. [2021-01-06 20:48:41,764 INFO L78 Accepts]: Start accepts. Automaton has 69126 states and 104360 transitions. Word has length 85 [2021-01-06 20:48:41,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:41,764 INFO L481 AbstractCegarLoop]: Abstraction has 69126 states and 104360 transitions. [2021-01-06 20:48:41,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:48:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 69126 states and 104360 transitions. [2021-01-06 20:48:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:48:41,773 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:41,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:41,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:48:41,773 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:41,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1374524072, now seen corresponding path program 1 times [2021-01-06 20:48:41,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:41,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737786359] [2021-01-06 20:48:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:41,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737786359] [2021-01-06 20:48:41,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:41,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:48:41,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057773701] [2021-01-06 20:48:41,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:48:41,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:41,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:48:41,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:41,842 INFO L87 Difference]: Start difference. First operand 69126 states and 104360 transitions. Second operand 3 states. [2021-01-06 20:48:58,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:58,360 INFO L93 Difference]: Finished difference Result 138221 states and 209115 transitions. [2021-01-06 20:48:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:48:58,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 20:48:58,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:58,504 INFO L225 Difference]: With dead ends: 138221 [2021-01-06 20:48:58,505 INFO L226 Difference]: Without dead ends: 94066 [2021-01-06 20:48:58,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:48:58,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94066 states. [2021-01-06 20:49:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94066 to 93184. [2021-01-06 20:49:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93184 states. [2021-01-06 20:49:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93184 states to 93184 states and 139354 transitions. [2021-01-06 20:49:15,249 INFO L78 Accepts]: Start accepts. Automaton has 93184 states and 139354 transitions. Word has length 85 [2021-01-06 20:49:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:49:15,249 INFO L481 AbstractCegarLoop]: Abstraction has 93184 states and 139354 transitions. [2021-01-06 20:49:15,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:49:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 93184 states and 139354 transitions. [2021-01-06 20:49:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:49:15,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:49:15,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:49:15,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:49:15,259 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:49:15,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:49:15,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1970268265, now seen corresponding path program 1 times [2021-01-06 20:49:15,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:49:15,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341614808] [2021-01-06 20:49:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:49:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:49:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:49:15,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341614808] [2021-01-06 20:49:15,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:49:15,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:49:15,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514933943] [2021-01-06 20:49:15,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:49:15,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:49:15,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:49:15,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:49:15,331 INFO L87 Difference]: Start difference. First operand 93184 states and 139354 transitions. Second operand 3 states.