/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.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:57:19,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:57:19,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:57:19,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:57:19,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:57:19,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:57:19,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:57:19,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:57:19,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:57:19,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:57:19,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:57:19,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:57:19,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:57:19,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:57:19,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:57:19,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:57:19,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:57:19,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:57:19,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:57:19,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:57:19,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:57:19,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:57:19,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:57:19,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:57:19,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:57:19,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:57:19,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:57:19,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:57:19,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:57:19,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:57:19,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:57:19,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:57:19,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:57:19,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:57:19,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:57:19,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:57:19,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:57:19,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:57:19,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:57:19,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:57:19,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:57:19,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 10:57:19,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:57:19,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:57:19,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:57:19,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:57:19,951 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:57:19,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:57:19,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:57:19,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:57:19,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:57:19,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:57:19,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:57:19,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:57:19,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:57:19,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:57:19,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:57:19,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:57:19,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:57:19,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:57:19,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:57:19,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:57:19,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:57:19,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:57:19,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:57:19,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:57:19,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:57:19,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:57:20,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:57:20,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:57:20,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:57:20,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:57:20,378 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:57:20,382 INFO L432 ainManager$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.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2020-12-23 10:57:20,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8523a56b7/f2572cf765f84440aefadea2b4a9677f/FLAGda428b9a8 [2020-12-23 10:57:21,151 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:57:21,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2020-12-23 10:57:21,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8523a56b7/f2572cf765f84440aefadea2b4a9677f/FLAGda428b9a8 [2020-12-23 10:57:21,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8523a56b7/f2572cf765f84440aefadea2b4a9677f [2020-12-23 10:57:21,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:57:21,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:57:21,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:57:21,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:57:21,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:57:21,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:57:21" (1/1) ... [2020-12-23 10:57:21,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab9a9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:21, skipping insertion in model container [2020-12-23 10:57:21,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:57:21" (1/1) ... [2020-12-23 10:57:21,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:57:21,532 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[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_104960~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_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[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_105100~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_105291_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_105325~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:57:21,840 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.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9617,9630] 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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_105291_0~0,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[~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[~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_105220~0,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[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] 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[~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[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] 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,] [2020-12-23 10:57:21,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:57:21,993 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[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_104960~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_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[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_105100~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_105291_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_105325~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:57:22,094 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.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9617,9630] 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[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_105291_0~0,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[~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[~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_105220~0,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[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] 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[~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[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] 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,] [2020-12-23 10:57:22,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:57:22,239 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:57:22,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22 WrapperNode [2020-12-23 10:57:22,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:57:22,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:57:22,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:57:22,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:57:22,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:57:22,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:57:22,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:57:22,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:57:22,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... [2020-12-23 10:57:22,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:57:22,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:57:22,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:57:22,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:57:22,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:57:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:57:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:57:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:57:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:57:23,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:57:23,886 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:57:23,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:57:23 BoogieIcfgContainer [2020-12-23 10:57:23,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:57:23,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:57:23,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:57:23,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:57:23,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:57:21" (1/3) ... [2020-12-23 10:57:23,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ab9978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:57:23, skipping insertion in model container [2020-12-23 10:57:23,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:57:22" (2/3) ... [2020-12-23 10:57:23,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ab9978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:57:23, skipping insertion in model container [2020-12-23 10:57:23,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:57:23" (3/3) ... [2020-12-23 10:57:23,903 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2020-12-23 10:57:23,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:57:23,916 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:57:23,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:57:23,982 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:57:23,982 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:57:23,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:57:23,983 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:57:23,983 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:57:23,983 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:57:23,983 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:57:23,983 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:57:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-12-23 10:57:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 10:57:24,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:24,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:24,020 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:24,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:24,026 INFO L82 PathProgramCache]: Analyzing trace with hash 680840216, now seen corresponding path program 1 times [2020-12-23 10:57:24,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:24,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756789541] [2020-12-23 10:57:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:24,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756789541] [2020-12-23 10:57:24,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:24,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:57:24,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482816979] [2020-12-23 10:57:24,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:57:24,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:24,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:57:24,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:57:24,630 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 3 states. [2020-12-23 10:57:24,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:24,850 INFO L93 Difference]: Finished difference Result 503 states and 833 transitions. [2020-12-23 10:57:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:57:24,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 10:57:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:24,896 INFO L225 Difference]: With dead ends: 503 [2020-12-23 10:57:24,896 INFO L226 Difference]: Without dead ends: 382 [2020-12-23 10:57:24,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:57:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-23 10:57:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2020-12-23 10:57:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-12-23 10:57:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 568 transitions. [2020-12-23 10:57:24,982 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 568 transitions. Word has length 96 [2020-12-23 10:57:24,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:24,983 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 568 transitions. [2020-12-23 10:57:24,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:57:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 568 transitions. [2020-12-23 10:57:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:57:24,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:24,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:24,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:57:24,989 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash -693931319, now seen corresponding path program 1 times [2020-12-23 10:57:24,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:24,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999490203] [2020-12-23 10:57:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:25,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999490203] [2020-12-23 10:57:25,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:25,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 10:57:25,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092805755] [2020-12-23 10:57:25,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 10:57:25,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:25,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 10:57:25,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:57:25,507 INFO L87 Difference]: Start difference. First operand 380 states and 568 transitions. Second operand 8 states. [2020-12-23 10:57:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:26,088 INFO L93 Difference]: Finished difference Result 1895 states and 2934 transitions. [2020-12-23 10:57:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 10:57:26,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2020-12-23 10:57:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:26,099 INFO L225 Difference]: With dead ends: 1895 [2020-12-23 10:57:26,100 INFO L226 Difference]: Without dead ends: 1611 [2020-12-23 10:57:26,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:57:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-12-23 10:57:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1601. [2020-12-23 10:57:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2020-12-23 10:57:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2472 transitions. [2020-12-23 10:57:26,236 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2472 transitions. Word has length 97 [2020-12-23 10:57:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:26,237 INFO L481 AbstractCegarLoop]: Abstraction has 1601 states and 2472 transitions. [2020-12-23 10:57:26,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 10:57:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2472 transitions. [2020-12-23 10:57:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:57:26,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:26,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:26,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:57:26,245 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:26,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:26,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1453946111, now seen corresponding path program 1 times [2020-12-23 10:57:26,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:26,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642630880] [2020-12-23 10:57:26,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:26,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642630880] [2020-12-23 10:57:26,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:26,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:57:26,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977765182] [2020-12-23 10:57:26,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:57:26,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:26,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:57:26,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:57:26,402 INFO L87 Difference]: Start difference. First operand 1601 states and 2472 transitions. Second operand 6 states. [2020-12-23 10:57:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:27,137 INFO L93 Difference]: Finished difference Result 5411 states and 8462 transitions. [2020-12-23 10:57:27,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:27,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-12-23 10:57:27,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:27,161 INFO L225 Difference]: With dead ends: 5411 [2020-12-23 10:57:27,161 INFO L226 Difference]: Without dead ends: 3897 [2020-12-23 10:57:27,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:57:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3897 states. [2020-12-23 10:57:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3897 to 3893. [2020-12-23 10:57:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3893 states. [2020-12-23 10:57:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3893 states and 6072 transitions. [2020-12-23 10:57:27,436 INFO L78 Accepts]: Start accepts. Automaton has 3893 states and 6072 transitions. Word has length 98 [2020-12-23 10:57:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:27,445 INFO L481 AbstractCegarLoop]: Abstraction has 3893 states and 6072 transitions. [2020-12-23 10:57:27,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:57:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3893 states and 6072 transitions. [2020-12-23 10:57:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:57:27,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:27,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:27,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:57:27,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:27,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:27,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1726044558, now seen corresponding path program 1 times [2020-12-23 10:57:27,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:27,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357572302] [2020-12-23 10:57:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:27,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357572302] [2020-12-23 10:57:27,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:27,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:57:27,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43990960] [2020-12-23 10:57:27,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:57:27,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:27,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:57:27,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:57:27,712 INFO L87 Difference]: Start difference. First operand 3893 states and 6072 transitions. Second operand 5 states. [2020-12-23 10:57:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:28,548 INFO L93 Difference]: Finished difference Result 10983 states and 17216 transitions. [2020-12-23 10:57:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:28,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 10:57:28,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:28,588 INFO L225 Difference]: With dead ends: 10983 [2020-12-23 10:57:28,589 INFO L226 Difference]: Without dead ends: 7207 [2020-12-23 10:57:28,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:57:28,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2020-12-23 10:57:29,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7205. [2020-12-23 10:57:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7205 states. [2020-12-23 10:57:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7205 states to 7205 states and 11235 transitions. [2020-12-23 10:57:29,174 INFO L78 Accepts]: Start accepts. Automaton has 7205 states and 11235 transitions. Word has length 98 [2020-12-23 10:57:29,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:29,175 INFO L481 AbstractCegarLoop]: Abstraction has 7205 states and 11235 transitions. [2020-12-23 10:57:29,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:57:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7205 states and 11235 transitions. [2020-12-23 10:57:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:57:29,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:29,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:29,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:57:29,181 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:29,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1050081644, now seen corresponding path program 1 times [2020-12-23 10:57:29,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:29,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915649662] [2020-12-23 10:57:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:29,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915649662] [2020-12-23 10:57:29,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:29,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:57:29,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935272497] [2020-12-23 10:57:29,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:57:29,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:29,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:57:29,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:57:29,316 INFO L87 Difference]: Start difference. First operand 7205 states and 11235 transitions. Second operand 5 states. [2020-12-23 10:57:30,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:30,551 INFO L93 Difference]: Finished difference Result 20553 states and 32173 transitions. [2020-12-23 10:57:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:30,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 10:57:30,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:30,620 INFO L225 Difference]: With dead ends: 20553 [2020-12-23 10:57:30,621 INFO L226 Difference]: Without dead ends: 13543 [2020-12-23 10:57:30,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:57:30,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13543 states. [2020-12-23 10:57:31,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13543 to 13541. [2020-12-23 10:57:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13541 states. [2020-12-23 10:57:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13541 states to 13541 states and 21109 transitions. [2020-12-23 10:57:31,561 INFO L78 Accepts]: Start accepts. Automaton has 13541 states and 21109 transitions. Word has length 98 [2020-12-23 10:57:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:31,562 INFO L481 AbstractCegarLoop]: Abstraction has 13541 states and 21109 transitions. [2020-12-23 10:57:31,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:57:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 13541 states and 21109 transitions. [2020-12-23 10:57:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:57:31,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:31,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:31,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:57:31,569 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1204309923, now seen corresponding path program 1 times [2020-12-23 10:57:31,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:31,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998638278] [2020-12-23 10:57:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:31,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998638278] [2020-12-23 10:57:31,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:31,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:57:31,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969631087] [2020-12-23 10:57:31,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:57:31,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:31,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:57:31,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:57:31,726 INFO L87 Difference]: Start difference. First operand 13541 states and 21109 transitions. Second operand 5 states. [2020-12-23 10:57:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:33,575 INFO L93 Difference]: Finished difference Result 39644 states and 61900 transitions. [2020-12-23 10:57:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:33,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 10:57:33,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:33,642 INFO L225 Difference]: With dead ends: 39644 [2020-12-23 10:57:33,642 INFO L226 Difference]: Without dead ends: 26257 [2020-12-23 10:57:33,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:57:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26257 states. [2020-12-23 10:57:35,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26257 to 26255. [2020-12-23 10:57:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26255 states. [2020-12-23 10:57:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26255 states to 26255 states and 40809 transitions. [2020-12-23 10:57:35,099 INFO L78 Accepts]: Start accepts. Automaton has 26255 states and 40809 transitions. Word has length 98 [2020-12-23 10:57:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:35,100 INFO L481 AbstractCegarLoop]: Abstraction has 26255 states and 40809 transitions. [2020-12-23 10:57:35,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:57:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26255 states and 40809 transitions. [2020-12-23 10:57:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:57:35,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:35,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:35,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:57:35,113 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:35,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1872069296, now seen corresponding path program 1 times [2020-12-23 10:57:35,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:35,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079234633] [2020-12-23 10:57:35,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:35,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079234633] [2020-12-23 10:57:35,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:35,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:57:35,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191456111] [2020-12-23 10:57:35,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:57:35,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:35,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:57:35,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:57:35,231 INFO L87 Difference]: Start difference. First operand 26255 states and 40809 transitions. Second operand 6 states. [2020-12-23 10:57:39,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:39,580 INFO L93 Difference]: Finished difference Result 102474 states and 159203 transitions. [2020-12-23 10:57:39,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:39,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-12-23 10:57:39,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:39,827 INFO L225 Difference]: With dead ends: 102474 [2020-12-23 10:57:39,827 INFO L226 Difference]: Without dead ends: 76283 [2020-12-23 10:57:39,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:57:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76283 states. [2020-12-23 10:57:43,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76283 to 76279. [2020-12-23 10:57:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76279 states. [2020-12-23 10:57:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76279 states to 76279 states and 117982 transitions. [2020-12-23 10:57:44,128 INFO L78 Accepts]: Start accepts. Automaton has 76279 states and 117982 transitions. Word has length 98 [2020-12-23 10:57:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:44,128 INFO L481 AbstractCegarLoop]: Abstraction has 76279 states and 117982 transitions. [2020-12-23 10:57:44,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:57:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76279 states and 117982 transitions. [2020-12-23 10:57:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 10:57:44,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:44,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:57:44,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:57:44,146 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:44,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:44,146 INFO L82 PathProgramCache]: Analyzing trace with hash 944001903, now seen corresponding path program 1 times [2020-12-23 10:57:44,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:44,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692664484] [2020-12-23 10:57:44,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:44,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692664484] [2020-12-23 10:57:44,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:44,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:57:44,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964429934] [2020-12-23 10:57:44,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:57:44,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:57:44,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:57:44,273 INFO L87 Difference]: Start difference. First operand 76279 states and 117982 transitions. Second operand 6 states. [2020-12-23 10:57:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:55,145 INFO L93 Difference]: Finished difference Result 291266 states and 449998 transitions. [2020-12-23 10:57:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:57:55,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-12-23 10:57:55,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:55,727 INFO L225 Difference]: With dead ends: 291266 [2020-12-23 10:57:55,727 INFO L226 Difference]: Without dead ends: 215067 [2020-12-23 10:57:55,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:57:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215067 states. [2020-12-23 10:58:04,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215067 to 151085. [2020-12-23 10:58:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151085 states. [2020-12-23 10:58:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151085 states to 151085 states and 232511 transitions. [2020-12-23 10:58:05,328 INFO L78 Accepts]: Start accepts. Automaton has 151085 states and 232511 transitions. Word has length 99 [2020-12-23 10:58:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:05,329 INFO L481 AbstractCegarLoop]: Abstraction has 151085 states and 232511 transitions. [2020-12-23 10:58:05,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:58:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 151085 states and 232511 transitions. [2020-12-23 10:58:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 10:58:05,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:05,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:05,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:58:05,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:05,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:05,362 INFO L82 PathProgramCache]: Analyzing trace with hash -835025571, now seen corresponding path program 1 times [2020-12-23 10:58:05,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:05,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102766033] [2020-12-23 10:58:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:05,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102766033] [2020-12-23 10:58:05,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:05,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:58:05,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072385448] [2020-12-23 10:58:05,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:58:05,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:05,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:58:05,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:58:05,475 INFO L87 Difference]: Start difference. First operand 151085 states and 232511 transitions. Second operand 5 states. [2020-12-23 10:58:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:19,512 INFO L93 Difference]: Finished difference Result 289855 states and 444192 transitions. [2020-12-23 10:58:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:58:19,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-12-23 10:58:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:20,245 INFO L225 Difference]: With dead ends: 289855 [2020-12-23 10:58:20,245 INFO L226 Difference]: Without dead ends: 289853 [2020-12-23 10:58:20,325 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 [2020-12-23 10:58:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289853 states. [2020-12-23 10:58:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289853 to 152813. [2020-12-23 10:58:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152813 states. [2020-12-23 10:58:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152813 states to 152813 states and 234239 transitions. [2020-12-23 10:58:31,210 INFO L78 Accepts]: Start accepts. Automaton has 152813 states and 234239 transitions. Word has length 99 [2020-12-23 10:58:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:31,211 INFO L481 AbstractCegarLoop]: Abstraction has 152813 states and 234239 transitions. [2020-12-23 10:58:31,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:58:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 152813 states and 234239 transitions. [2020-12-23 10:58:31,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 10:58:31,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:31,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:31,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:58:31,246 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:31,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:31,247 INFO L82 PathProgramCache]: Analyzing trace with hash 210130591, now seen corresponding path program 1 times [2020-12-23 10:58:31,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:31,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64890493] [2020-12-23 10:58:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:31,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64890493] [2020-12-23 10:58:31,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:31,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:58:31,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393264246] [2020-12-23 10:58:31,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:58:31,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:31,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:58:31,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:58:31,595 INFO L87 Difference]: Start difference. First operand 152813 states and 234239 transitions. Second operand 10 states. [2020-12-23 10:59:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:27,575 INFO L93 Difference]: Finished difference Result 929063 states and 1422513 transitions. [2020-12-23 10:59:27,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 10:59:27,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-12-23 10:59:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:29,618 INFO L225 Difference]: With dead ends: 929063 [2020-12-23 10:59:29,618 INFO L226 Difference]: Without dead ends: 831113 [2020-12-23 10:59:29,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 10:59:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831113 states. [2020-12-23 10:59:49,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831113 to 153493. [2020-12-23 10:59:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153493 states. [2020-12-23 10:59:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153493 states to 153493 states and 235119 transitions. [2020-12-23 10:59:49,987 INFO L78 Accepts]: Start accepts. Automaton has 153493 states and 235119 transitions. Word has length 100 [2020-12-23 10:59:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:49,994 INFO L481 AbstractCegarLoop]: Abstraction has 153493 states and 235119 transitions. [2020-12-23 10:59:49,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:59:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 153493 states and 235119 transitions. [2020-12-23 10:59:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 10:59:50,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:50,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:59:50,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:59:50,018 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:59:50,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2092316351, now seen corresponding path program 1 times [2020-12-23 10:59:50,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:50,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916012038] [2020-12-23 10:59:50,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:59:50,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916012038] [2020-12-23 10:59:50,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:50,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:59:50,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905166588] [2020-12-23 10:59:50,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:59:50,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:50,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:59:50,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:59:50,258 INFO L87 Difference]: Start difference. First operand 153493 states and 235119 transitions. Second operand 10 states. [2020-12-23 11:00:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:39,395 INFO L93 Difference]: Finished difference Result 576448 states and 876557 transitions. [2020-12-23 11:00:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:00:39,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-12-23 11:00:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:40,740 INFO L225 Difference]: With dead ends: 576448 [2020-12-23 11:00:40,740 INFO L226 Difference]: Without dead ends: 507850 [2020-12-23 11:00:40,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2020-12-23 11:00:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507850 states. [2020-12-23 11:00:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507850 to 155076. [2020-12-23 11:00:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155076 states. [2020-12-23 11:01:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155076 states to 155076 states and 237263 transitions. [2020-12-23 11:01:00,027 INFO L78 Accepts]: Start accepts. Automaton has 155076 states and 237263 transitions. Word has length 100 [2020-12-23 11:01:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:00,029 INFO L481 AbstractCegarLoop]: Abstraction has 155076 states and 237263 transitions. [2020-12-23 11:01:00,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:01:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 155076 states and 237263 transitions. [2020-12-23 11:01:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 11:01:00,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:00,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:01:00,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:01:00,079 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:00,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1842814719, now seen corresponding path program 1 times [2020-12-23 11:01:00,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:00,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895443838] [2020-12-23 11:01:00,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:00,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895443838] [2020-12-23 11:01:00,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:00,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:01:00,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195035086] [2020-12-23 11:01:00,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:01:00,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:00,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:01:00,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:01:00,341 INFO L87 Difference]: Start difference. First operand 155076 states and 237263 transitions. Second operand 10 states.