/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:47:50,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:47:50,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:47:50,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:47:50,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:47:50,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:47:50,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:47:50,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:47:50,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:47:50,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:47:50,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:47:50,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:47:50,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:47:50,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:47:50,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:47:50,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:47:50,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:47:50,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:47:50,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:47:50,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:47:50,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:47:50,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:47:50,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:47:50,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:47:50,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:47:50,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:47:50,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:47:50,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:47:50,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:47:50,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:47:50,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:47:50,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:47:50,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:47:50,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:47:50,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:47:50,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:47:50,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:47:50,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:47:50,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:47:50,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:47:50,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:47:50,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:47:50,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:47:50,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:47:50,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:47:50,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:47:50,808 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:47:50,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:47:50,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:47:50,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:47:50,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:47:50,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:47:50,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:47:50,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:47:50,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:47:50,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:47:50,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:47:50,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:47:50,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:47:50,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:47:50,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:47:50,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:47:50,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:47:50,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:47:50,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:47:50,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:47:50,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:47:50,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:47:51,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:47:51,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:47:51,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:47:51,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:47:51,226 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:47:51,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:47:51,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9ecddebb7/2b23181f1a7b4677a7ecf9ca6cfb0cfb/FLAGaf246be81 [2021-01-06 20:47:52,090 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:47:52,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:47:52,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9ecddebb7/2b23181f1a7b4677a7ecf9ca6cfb0cfb/FLAGaf246be81 [2021-01-06 20:47:52,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9ecddebb7/2b23181f1a7b4677a7ecf9ca6cfb0cfb [2021-01-06 20:47:52,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:47:52,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:47:52,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:47:52,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:47:52,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:47:52,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:47:52" (1/1) ... [2021-01-06 20:47:52,342 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 06.01 08:47:52, skipping insertion in model container [2021-01-06 20:47:52,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:47:52" (1/1) ... [2021-01-06 20:47:52,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:47:52,426 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59281~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59401~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_59560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_59592~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:47:52,705 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8203,8216] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_59560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59606~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:47:52,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:47:52,837 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59281~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59401~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_59560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_59592~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2021-01-06 20:47:52,967 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8203,8216] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_59560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59606~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:47:53,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:47:53,147 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:47:53,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53 WrapperNode [2021-01-06 20:47:53,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:47:53,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:47:53,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:47:53,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:47:53,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:47:53,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:47:53,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:47:53,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:47:53,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... [2021-01-06 20:47:53,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:47:53,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:47:53,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:47:53,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:47:53,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:47:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:47:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:47:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:47:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:47:54,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:47:54,607 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:47:54,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:47:54 BoogieIcfgContainer [2021-01-06 20:47:54,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:47:54,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:47:54,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:47:54,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:47:54,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:47:52" (1/3) ... [2021-01-06 20:47:54,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb6feca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:47:54, skipping insertion in model container [2021-01-06 20:47:54,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:47:53" (2/3) ... [2021-01-06 20:47:54,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb6feca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:47:54, skipping insertion in model container [2021-01-06 20:47:54,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:47:54" (3/3) ... [2021-01-06 20:47:54,623 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:47:54,631 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:47:54,637 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:47:54,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:47:54,690 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:47:54,690 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:47:54,690 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:47:54,690 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:47:54,691 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:47:54,691 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:47:54,691 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:47:54,691 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:47:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2021-01-06 20:47:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:47:54,724 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:54,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:54,726 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:54,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:54,732 INFO L82 PathProgramCache]: Analyzing trace with hash -981857485, now seen corresponding path program 1 times [2021-01-06 20:47:54,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:54,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107409949] [2021-01-06 20:47:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:55,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107409949] [2021-01-06 20:47:55,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:55,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:47:55,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750682706] [2021-01-06 20:47:55,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:47:55,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:55,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:47:55,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:47:55,238 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2021-01-06 20:47:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:55,431 INFO L93 Difference]: Finished difference Result 437 states and 720 transitions. [2021-01-06 20:47:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:47:55,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 20:47:55,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:55,457 INFO L225 Difference]: With dead ends: 437 [2021-01-06 20:47:55,457 INFO L226 Difference]: Without dead ends: 329 [2021-01-06 20:47:55,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:47:55,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-01-06 20:47:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2021-01-06 20:47:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-01-06 20:47:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 489 transitions. [2021-01-06 20:47:55,603 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 489 transitions. Word has length 81 [2021-01-06 20:47:55,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:55,604 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 489 transitions. [2021-01-06 20:47:55,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:47:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 489 transitions. [2021-01-06 20:47:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:47:55,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:55,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:55,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:47:55,610 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash -651776507, now seen corresponding path program 1 times [2021-01-06 20:47:55,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:55,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109059138] [2021-01-06 20:47:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:56,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109059138] [2021-01-06 20:47:56,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:56,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:47:56,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600283242] [2021-01-06 20:47:56,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:47:56,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:56,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:47:56,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:56,061 INFO L87 Difference]: Start difference. First operand 327 states and 489 transitions. Second operand 7 states. [2021-01-06 20:47:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:56,478 INFO L93 Difference]: Finished difference Result 1413 states and 2181 transitions. [2021-01-06 20:47:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:47:56,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2021-01-06 20:47:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:56,488 INFO L225 Difference]: With dead ends: 1413 [2021-01-06 20:47:56,489 INFO L226 Difference]: Without dead ends: 1167 [2021-01-06 20:47:56,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:56,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-01-06 20:47:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1159. [2021-01-06 20:47:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2021-01-06 20:47:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1782 transitions. [2021-01-06 20:47:56,586 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1782 transitions. Word has length 82 [2021-01-06 20:47:56,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:56,587 INFO L481 AbstractCegarLoop]: Abstraction has 1159 states and 1782 transitions. [2021-01-06 20:47:56,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:47:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1782 transitions. [2021-01-06 20:47:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:56,592 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:56,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:56,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:47:56,593 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:56,594 INFO L82 PathProgramCache]: Analyzing trace with hash 994859382, now seen corresponding path program 1 times [2021-01-06 20:47:56,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:56,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705424781] [2021-01-06 20:47:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:56,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705424781] [2021-01-06 20:47:56,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:56,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:47:56,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122531598] [2021-01-06 20:47:56,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:47:56,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:56,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:47:56,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:47:56,800 INFO L87 Difference]: Start difference. First operand 1159 states and 1782 transitions. Second operand 6 states. [2021-01-06 20:47:57,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:57,452 INFO L93 Difference]: Finished difference Result 3912 states and 6097 transitions. [2021-01-06 20:47:57,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:57,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:47:57,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:57,470 INFO L225 Difference]: With dead ends: 3912 [2021-01-06 20:47:57,470 INFO L226 Difference]: Without dead ends: 2796 [2021-01-06 20:47:57,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:47:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2021-01-06 20:47:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2792. [2021-01-06 20:47:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2792 states. [2021-01-06 20:47:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 4340 transitions. [2021-01-06 20:47:57,703 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 4340 transitions. Word has length 83 [2021-01-06 20:47:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:57,708 INFO L481 AbstractCegarLoop]: Abstraction has 2792 states and 4340 transitions. [2021-01-06 20:47:57,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:47:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 4340 transitions. [2021-01-06 20:47:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:57,714 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:57,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:57,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:47:57,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:57,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1568078791, now seen corresponding path program 1 times [2021-01-06 20:47:57,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:57,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997976158] [2021-01-06 20:47:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:57,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997976158] [2021-01-06 20:47:57,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:57,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:47:57,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204827951] [2021-01-06 20:47:57,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:47:57,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:57,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:47:57,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:47:57,882 INFO L87 Difference]: Start difference. First operand 2792 states and 4340 transitions. Second operand 5 states. [2021-01-06 20:47:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:58,566 INFO L93 Difference]: Finished difference Result 7918 states and 12370 transitions. [2021-01-06 20:47:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:47:58,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:47:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:58,597 INFO L225 Difference]: With dead ends: 7918 [2021-01-06 20:47:58,598 INFO L226 Difference]: Without dead ends: 5185 [2021-01-06 20:47:58,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:47:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2021-01-06 20:47:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2021-01-06 20:47:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5183 states. [2021-01-06 20:47:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 8048 transitions. [2021-01-06 20:47:59,017 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 8048 transitions. Word has length 83 [2021-01-06 20:47:59,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:59,018 INFO L481 AbstractCegarLoop]: Abstraction has 5183 states and 8048 transitions. [2021-01-06 20:47:59,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:47:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 8048 transitions. [2021-01-06 20:47:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:47:59,023 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:59,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:59,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:47:59,024 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:59,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2053901352, now seen corresponding path program 1 times [2021-01-06 20:47:59,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:59,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380157595] [2021-01-06 20:47:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:47:59,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380157595] [2021-01-06 20:47:59,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:59,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:47:59,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305411510] [2021-01-06 20:47:59,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:47:59,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:59,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:47:59,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:47:59,138 INFO L87 Difference]: Start difference. First operand 5183 states and 8048 transitions. Second operand 6 states. [2021-01-06 20:48:00,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:00,388 INFO L93 Difference]: Finished difference Result 19106 states and 29710 transitions. [2021-01-06 20:48:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:48:00,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:48:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:00,475 INFO L225 Difference]: With dead ends: 19106 [2021-01-06 20:48:00,475 INFO L226 Difference]: Without dead ends: 14005 [2021-01-06 20:48:00,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:48:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14005 states. [2021-01-06 20:48:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14005 to 14001. [2021-01-06 20:48:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14001 states. [2021-01-06 20:48:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14001 states to 14001 states and 21674 transitions. [2021-01-06 20:48:01,544 INFO L78 Accepts]: Start accepts. Automaton has 14001 states and 21674 transitions. Word has length 83 [2021-01-06 20:48:01,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:01,546 INFO L481 AbstractCegarLoop]: Abstraction has 14001 states and 21674 transitions. [2021-01-06 20:48:01,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:48:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 14001 states and 21674 transitions. [2021-01-06 20:48:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:48:01,554 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:01,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:01,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:48:01,554 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:01,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:01,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1112064425, now seen corresponding path program 1 times [2021-01-06 20:48:01,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:01,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373352933] [2021-01-06 20:48:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:01,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373352933] [2021-01-06 20:48:01,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:01,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:48:01,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201172402] [2021-01-06 20:48:01,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:48:01,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:01,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:48:01,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:48:01,681 INFO L87 Difference]: Start difference. First operand 14001 states and 21674 transitions. Second operand 5 states. [2021-01-06 20:48:03,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:03,476 INFO L93 Difference]: Finished difference Result 40746 states and 63120 transitions. [2021-01-06 20:48:03,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:48:03,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:48:03,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:03,567 INFO L225 Difference]: With dead ends: 40746 [2021-01-06 20:48:03,567 INFO L226 Difference]: Without dead ends: 26857 [2021-01-06 20:48:03,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:48:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26857 states. [2021-01-06 20:48:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26857 to 26855. [2021-01-06 20:48:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26855 states. [2021-01-06 20:48:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26855 states to 26855 states and 41373 transitions. [2021-01-06 20:48:05,109 INFO L78 Accepts]: Start accepts. Automaton has 26855 states and 41373 transitions. Word has length 83 [2021-01-06 20:48:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:05,110 INFO L481 AbstractCegarLoop]: Abstraction has 26855 states and 41373 transitions. [2021-01-06 20:48:05,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:48:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 26855 states and 41373 transitions. [2021-01-06 20:48:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:48:05,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:05,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:05,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:48:05,121 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash 340452666, now seen corresponding path program 1 times [2021-01-06 20:48:05,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:05,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821308467] [2021-01-06 20:48:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:05,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821308467] [2021-01-06 20:48:05,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:05,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:48:05,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962600733] [2021-01-06 20:48:05,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:48:05,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:05,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:48:05,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:48:05,207 INFO L87 Difference]: Start difference. First operand 26855 states and 41373 transitions. Second operand 5 states. [2021-01-06 20:48:07,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:07,771 INFO L93 Difference]: Finished difference Result 79118 states and 122024 transitions. [2021-01-06 20:48:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:48:07,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:48:07,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:07,938 INFO L225 Difference]: With dead ends: 79118 [2021-01-06 20:48:07,938 INFO L226 Difference]: Without dead ends: 52409 [2021-01-06 20:48:07,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:48:08,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52409 states. [2021-01-06 20:48:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52409 to 52407. [2021-01-06 20:48:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52407 states. [2021-01-06 20:48:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52407 states to 52407 states and 80488 transitions. [2021-01-06 20:48:10,889 INFO L78 Accepts]: Start accepts. Automaton has 52407 states and 80488 transitions. Word has length 83 [2021-01-06 20:48:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:10,890 INFO L481 AbstractCegarLoop]: Abstraction has 52407 states and 80488 transitions. [2021-01-06 20:48:10,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:48:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52407 states and 80488 transitions. [2021-01-06 20:48:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:48:10,902 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:10,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:10,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:48:10,903 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:10,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:10,903 INFO L82 PathProgramCache]: Analyzing trace with hash 31378129, now seen corresponding path program 1 times [2021-01-06 20:48:10,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:10,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065920615] [2021-01-06 20:48:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:11,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065920615] [2021-01-06 20:48:11,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:11,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:48:11,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366675722] [2021-01-06 20:48:11,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:48:11,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:11,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:48:11,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:48:11,226 INFO L87 Difference]: Start difference. First operand 52407 states and 80488 transitions. Second operand 5 states. [2021-01-06 20:48:15,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:15,534 INFO L93 Difference]: Finished difference Result 99073 states and 151457 transitions. [2021-01-06 20:48:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:48:15,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2021-01-06 20:48:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:15,734 INFO L225 Difference]: With dead ends: 99073 [2021-01-06 20:48:15,735 INFO L226 Difference]: Without dead ends: 99071 [2021-01-06 20:48:15,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:48:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99071 states. [2021-01-06 20:48:19,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99071 to 53079. [2021-01-06 20:48:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53079 states. [2021-01-06 20:48:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53079 states to 53079 states and 81160 transitions. [2021-01-06 20:48:19,349 INFO L78 Accepts]: Start accepts. Automaton has 53079 states and 81160 transitions. Word has length 84 [2021-01-06 20:48:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:19,350 INFO L481 AbstractCegarLoop]: Abstraction has 53079 states and 81160 transitions. [2021-01-06 20:48:19,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:48:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 53079 states and 81160 transitions. [2021-01-06 20:48:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:48:19,362 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:19,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:19,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:48:19,363 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:19,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1251175856, now seen corresponding path program 1 times [2021-01-06 20:48:19,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:19,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897130232] [2021-01-06 20:48:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:19,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897130232] [2021-01-06 20:48:19,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:19,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:48:19,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982460927] [2021-01-06 20:48:19,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:48:19,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:19,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:48:19,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:48:19,652 INFO L87 Difference]: Start difference. First operand 53079 states and 81160 transitions. Second operand 10 states. [2021-01-06 20:48:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:48:40,948 INFO L93 Difference]: Finished difference Result 359465 states and 548898 transitions. [2021-01-06 20:48:40,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:48:40,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:48:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:48:41,842 INFO L225 Difference]: With dead ends: 359465 [2021-01-06 20:48:41,842 INFO L226 Difference]: Without dead ends: 307225 [2021-01-06 20:48:42,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:48:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307225 states. [2021-01-06 20:48:48,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307225 to 53173. [2021-01-06 20:48:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53173 states. [2021-01-06 20:48:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53173 states to 53173 states and 81261 transitions. [2021-01-06 20:48:48,701 INFO L78 Accepts]: Start accepts. Automaton has 53173 states and 81261 transitions. Word has length 85 [2021-01-06 20:48:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:48:48,701 INFO L481 AbstractCegarLoop]: Abstraction has 53173 states and 81261 transitions. [2021-01-06 20:48:48,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:48:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53173 states and 81261 transitions. [2021-01-06 20:48:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:48:48,712 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:48:48,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:48:48,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:48:48,713 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:48:48,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:48:48,713 INFO L82 PathProgramCache]: Analyzing trace with hash 192213392, now seen corresponding path program 1 times [2021-01-06 20:48:48,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:48:48,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696184125] [2021-01-06 20:48:48,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:48:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:48:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:48:48,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696184125] [2021-01-06 20:48:48,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:48:48,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:48:48,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907771544] [2021-01-06 20:48:48,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:48:48,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:48:48,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:48:48,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:48:48,935 INFO L87 Difference]: Start difference. First operand 53173 states and 81261 transitions. Second operand 10 states. [2021-01-06 20:49:10,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:49:10,515 INFO L93 Difference]: Finished difference Result 262625 states and 397668 transitions. [2021-01-06 20:49:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 20:49:10,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:49:10,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:49:11,141 INFO L225 Difference]: With dead ends: 262625 [2021-01-06 20:49:11,142 INFO L226 Difference]: Without dead ends: 221957 [2021-01-06 20:49:11,242 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 [2021-01-06 20:49:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221957 states. [2021-01-06 20:49:17,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221957 to 53521. [2021-01-06 20:49:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53521 states. [2021-01-06 20:49:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53521 states to 53521 states and 81702 transitions. [2021-01-06 20:49:17,970 INFO L78 Accepts]: Start accepts. Automaton has 53521 states and 81702 transitions. Word has length 85 [2021-01-06 20:49:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:49:17,970 INFO L481 AbstractCegarLoop]: Abstraction has 53521 states and 81702 transitions. [2021-01-06 20:49:17,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:49:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 53521 states and 81702 transitions. [2021-01-06 20:49:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:49:17,981 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:49:17,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:49:17,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:49:17,982 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:49:17,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:49:17,982 INFO L82 PathProgramCache]: Analyzing trace with hash -415777424, now seen corresponding path program 1 times [2021-01-06 20:49:17,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:49:17,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892730695] [2021-01-06 20:49:17,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:49:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:49:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:49:18,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892730695] [2021-01-06 20:49:18,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:49:18,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:49:18,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288722413] [2021-01-06 20:49:18,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:49:18,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:49:18,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:49:18,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:49:18,211 INFO L87 Difference]: Start difference. First operand 53521 states and 81702 transitions. Second operand 10 states. [2021-01-06 20:50:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:50:00,808 INFO L93 Difference]: Finished difference Result 415556 states and 634946 transitions. [2021-01-06 20:50:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-06 20:50:00,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:50:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:50:01,798 INFO L225 Difference]: With dead ends: 415556 [2021-01-06 20:50:01,799 INFO L226 Difference]: Without dead ends: 383772 [2021-01-06 20:50:01,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=380, Invalid=1180, Unknown=0, NotChecked=0, Total=1560 [2021-01-06 20:50:02,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383772 states. [2021-01-06 20:50:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383772 to 54274. [2021-01-06 20:50:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54274 states. [2021-01-06 20:50:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54274 states to 54274 states and 82664 transitions. [2021-01-06 20:50:11,112 INFO L78 Accepts]: Start accepts. Automaton has 54274 states and 82664 transitions. Word has length 85 [2021-01-06 20:50:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:50:11,112 INFO L481 AbstractCegarLoop]: Abstraction has 54274 states and 82664 transitions. [2021-01-06 20:50:11,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:50:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 54274 states and 82664 transitions. [2021-01-06 20:50:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:50:11,124 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:50:11,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:50:11,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:50:11,125 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:50:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:50:11,126 INFO L82 PathProgramCache]: Analyzing trace with hash -777268912, now seen corresponding path program 1 times [2021-01-06 20:50:11,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:50:11,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677863616] [2021-01-06 20:50:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:50:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:50:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:50:11,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677863616] [2021-01-06 20:50:11,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:50:11,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:50:11,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809598132] [2021-01-06 20:50:11,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:50:11,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:50:11,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:50:11,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:50:11,353 INFO L87 Difference]: Start difference. First operand 54274 states and 82664 transitions. Second operand 10 states. [2021-01-06 20:50:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:50:35,915 INFO L93 Difference]: Finished difference Result 179710 states and 270832 transitions. [2021-01-06 20:50:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 20:50:35,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:50:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:50:36,375 INFO L225 Difference]: With dead ends: 179710 [2021-01-06 20:50:36,375 INFO L226 Difference]: Without dead ends: 161276 [2021-01-06 20:50:36,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:50:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161276 states. [2021-01-06 20:50:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161276 to 55522. [2021-01-06 20:50:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55522 states. [2021-01-06 20:50:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55522 states to 55522 states and 84398 transitions. [2021-01-06 20:50:44,786 INFO L78 Accepts]: Start accepts. Automaton has 55522 states and 84398 transitions. Word has length 85 [2021-01-06 20:50:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:50:44,787 INFO L481 AbstractCegarLoop]: Abstraction has 55522 states and 84398 transitions. [2021-01-06 20:50:44,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:50:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 55522 states and 84398 transitions. [2021-01-06 20:50:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:50:44,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:50:44,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:50:44,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:50:44,798 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:50:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:50:44,798 INFO L82 PathProgramCache]: Analyzing trace with hash -56546000, now seen corresponding path program 1 times [2021-01-06 20:50:44,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:50:44,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238888019] [2021-01-06 20:50:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:50:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:50:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:50:45,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238888019] [2021-01-06 20:50:45,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:50:45,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:50:45,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089785079] [2021-01-06 20:50:45,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:50:45,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:50:45,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:50:45,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:50:45,047 INFO L87 Difference]: Start difference. First operand 55522 states and 84398 transitions. Second operand 10 states. [2021-01-06 20:51:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:51:27,420 INFO L93 Difference]: Finished difference Result 286795 states and 435305 transitions. [2021-01-06 20:51:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 20:51:27,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:51:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:51:28,181 INFO L225 Difference]: With dead ends: 286795 [2021-01-06 20:51:28,181 INFO L226 Difference]: Without dead ends: 280035 [2021-01-06 20:51:28,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:51:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280035 states. [2021-01-06 20:51:38,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280035 to 55522. [2021-01-06 20:51:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55522 states. [2021-01-06 20:51:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55522 states to 55522 states and 84382 transitions. [2021-01-06 20:51:38,430 INFO L78 Accepts]: Start accepts. Automaton has 55522 states and 84382 transitions. Word has length 85 [2021-01-06 20:51:38,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:51:38,430 INFO L481 AbstractCegarLoop]: Abstraction has 55522 states and 84382 transitions. [2021-01-06 20:51:38,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:51:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55522 states and 84382 transitions. [2021-01-06 20:51:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 20:51:38,441 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:51:38,441 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] [2021-01-06 20:51:38,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:51:38,441 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:51:38,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:51:38,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1761654198, now seen corresponding path program 1 times [2021-01-06 20:51:38,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:51:38,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981028828] [2021-01-06 20:51:38,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:51:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:51:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:51:38,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981028828] [2021-01-06 20:51:38,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:51:38,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:51:38,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480383393] [2021-01-06 20:51:38,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:51:38,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:51:38,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:51:38,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:51:38,572 INFO L87 Difference]: Start difference. First operand 55522 states and 84382 transitions. Second operand 4 states.