/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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:22:52,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:22:52,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:22:53,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:22:53,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:22:53,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:22:53,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:22:53,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:22:53,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:22:53,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:22:53,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:22:53,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:22:53,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:22:53,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:22:53,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:22:53,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:22:53,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:22:53,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:22:53,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:22:53,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:22:53,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:22:53,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:22:53,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:22:53,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:22:53,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:22:53,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:22:53,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:22:53,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:22:53,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:22:53,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:22:53,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:22:53,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:22:53,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:22:53,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:22:53,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:22:53,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:22:53,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:22:53,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:22:53,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:22:53,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:22:53,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:22:53,115 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 20:22:53,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:22:53,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:22:53,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:22:53,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:22:53,163 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:22:53,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:22:53,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:22:53,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:22:53,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:22:53,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:22:53,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:22:53,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:22:53,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:22:53,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:22:53,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:22:53,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:22:53,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:22:53,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:22:53,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:22:53,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:22:53,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:22:53,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:22:53,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:22:53,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:22:53,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:22:53,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:22:53,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:22:53,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:22:53,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:22:53,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:22:53,608 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:22:53,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-01-06 20:22:53,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3d7142dbd/dd2bcf7a1eba4788926b61b1ab7323e1/FLAGd24a7089b [2021-01-06 20:22:54,444 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:22:54,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-01-06 20:22:54,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3d7142dbd/dd2bcf7a1eba4788926b61b1ab7323e1/FLAGd24a7089b [2021-01-06 20:22:54,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3d7142dbd/dd2bcf7a1eba4788926b61b1ab7323e1 [2021-01-06 20:22:54,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:22:54,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:22:54,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:22:54,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:22:54,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:22:54,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:22:54" (1/1) ... [2021-01-06 20:22:54,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f03033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:54, skipping insertion in model container [2021-01-06 20:22:54,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:22:54" (1/1) ... [2021-01-06 20:22:54,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:22:54,829 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[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1742~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1870~0,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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1988~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_2106~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_2840~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2021-01-06 20:22:55,189 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13742,13755] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2809~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2021-01-06 20:22:55,203 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14389,14402] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2750~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2021-01-06 20:22:55,220 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15665,15678] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_2716~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2021-01-06 20:22:55,234 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16641,16654] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_2339~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p32_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p23_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p13_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2611~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2021-01-06 20:22:55,310 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25112,25125] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2577~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2497~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2229~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 20:22:55,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:22:55,458 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[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1742~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1870~0,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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1988~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_2106~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_2840~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2021-01-06 20:22:55,682 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13742,13755] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2809~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2021-01-06 20:22:55,699 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14389,14402] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2750~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2021-01-06 20:22:55,726 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15665,15678] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_2716~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2021-01-06 20:22:55,747 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16641,16654] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_2339~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p32_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p23_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p13_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2611~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2021-01-06 20:22:55,825 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25112,25125] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2577~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2497~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2229~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 20:22:55,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:22:55,891 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:22:55,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55 WrapperNode [2021-01-06 20:22:55,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:22:55,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:22:55,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:22:55,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:22:55,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:55,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:22:56,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:22:56,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:22:56,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:22:56,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (1/1) ... [2021-01-06 20:22:56,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:22:56,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:22:56,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:22:56,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:22:56,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (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 20:22:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:22:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:22:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:22:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:22:58,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:22:58,133 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:22:58,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:22:58 BoogieIcfgContainer [2021-01-06 20:22:58,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:22:58,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:22:58,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:22:58,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:22:58,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:22:54" (1/3) ... [2021-01-06 20:22:58,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a9cfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:22:58, skipping insertion in model container [2021-01-06 20:22:58,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:55" (2/3) ... [2021-01-06 20:22:58,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a9cfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:22:58, skipping insertion in model container [2021-01-06 20:22:58,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:22:58" (3/3) ... [2021-01-06 20:22:58,143 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-01-06 20:22:58,150 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:22:58,155 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2021-01-06 20:22:58,174 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 20:22:58,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:22:58,205 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:22:58,205 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:22:58,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:22:58,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:22:58,206 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:22:58,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:22:58,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:22:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2021-01-06 20:22:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-01-06 20:22:58,248 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:58,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:22:58,250 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:58,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:58,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1860790591, now seen corresponding path program 1 times [2021-01-06 20:22:58,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:58,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439990367] [2021-01-06 20:22:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:58,967 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 20:22:58,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439990367] [2021-01-06 20:22:58,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:58,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:58,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169765304] [2021-01-06 20:22:58,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:58,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:58,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:58,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:58,992 INFO L87 Difference]: Start difference. First operand 388 states. Second operand 3 states. [2021-01-06 20:22:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:59,216 INFO L93 Difference]: Finished difference Result 717 states and 1276 transitions. [2021-01-06 20:22:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:59,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2021-01-06 20:22:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:59,242 INFO L225 Difference]: With dead ends: 717 [2021-01-06 20:22:59,243 INFO L226 Difference]: Without dead ends: 589 [2021-01-06 20:22:59,249 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 20:22:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-01-06 20:22:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2021-01-06 20:22:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2021-01-06 20:22:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 861 transitions. [2021-01-06 20:22:59,391 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 861 transitions. Word has length 141 [2021-01-06 20:22:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:59,392 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 861 transitions. [2021-01-06 20:22:59,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 861 transitions. [2021-01-06 20:22:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-01-06 20:22:59,398 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:59,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:22:59,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:22:59,399 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:59,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:59,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1860359615, now seen corresponding path program 1 times [2021-01-06 20:22:59,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:59,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582128048] [2021-01-06 20:22:59,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:59,701 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 20:22:59,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582128048] [2021-01-06 20:22:59,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:59,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:22:59,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210159886] [2021-01-06 20:22:59,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:22:59,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:59,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:22:59,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:22:59,706 INFO L87 Difference]: Start difference. First operand 587 states and 861 transitions. Second operand 4 states. [2021-01-06 20:22:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:59,852 INFO L93 Difference]: Finished difference Result 1719 states and 2514 transitions. [2021-01-06 20:22:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:59,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2021-01-06 20:22:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:59,859 INFO L225 Difference]: With dead ends: 1719 [2021-01-06 20:22:59,859 INFO L226 Difference]: Without dead ends: 1141 [2021-01-06 20:22:59,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:22:59,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2021-01-06 20:22:59,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1103. [2021-01-06 20:22:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2021-01-06 20:22:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1612 transitions. [2021-01-06 20:22:59,916 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1612 transitions. Word has length 141 [2021-01-06 20:22:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:59,916 INFO L481 AbstractCegarLoop]: Abstraction has 1103 states and 1612 transitions. [2021-01-06 20:22:59,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:22:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1612 transitions. [2021-01-06 20:22:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-01-06 20:22:59,920 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:59,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:22:59,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:22:59,921 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:59,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:59,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1839649003, now seen corresponding path program 1 times [2021-01-06 20:22:59,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:59,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511512212] [2021-01-06 20:22:59,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:59,993 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 20:22:59,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511512212] [2021-01-06 20:22:59,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:59,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:59,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759130253] [2021-01-06 20:22:59,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:59,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:59,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:59,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:59,996 INFO L87 Difference]: Start difference. First operand 1103 states and 1612 transitions. Second operand 3 states. [2021-01-06 20:23:00,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:00,129 INFO L93 Difference]: Finished difference Result 3271 states and 4774 transitions. [2021-01-06 20:23:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:00,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2021-01-06 20:23:00,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:00,141 INFO L225 Difference]: With dead ends: 3271 [2021-01-06 20:23:00,142 INFO L226 Difference]: Without dead ends: 2196 [2021-01-06 20:23:00,144 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 20:23:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-01-06 20:23:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1105. [2021-01-06 20:23:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2021-01-06 20:23:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1614 transitions. [2021-01-06 20:23:00,226 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1614 transitions. Word has length 142 [2021-01-06 20:23:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:00,226 INFO L481 AbstractCegarLoop]: Abstraction has 1105 states and 1614 transitions. [2021-01-06 20:23:00,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1614 transitions. [2021-01-06 20:23:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-01-06 20:23:00,230 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:00,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:23:00,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:23:00,231 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:00,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:00,231 INFO L82 PathProgramCache]: Analyzing trace with hash 734467803, now seen corresponding path program 1 times [2021-01-06 20:23:00,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:00,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582813521] [2021-01-06 20:23:00,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:00,356 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 20:23:00,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582813521] [2021-01-06 20:23:00,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:00,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:23:00,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84918949] [2021-01-06 20:23:00,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:23:00,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:23:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:23:00,360 INFO L87 Difference]: Start difference. First operand 1105 states and 1614 transitions. Second operand 3 states. [2021-01-06 20:23:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:00,562 INFO L93 Difference]: Finished difference Result 3075 states and 4501 transitions. [2021-01-06 20:23:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:00,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2021-01-06 20:23:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:00,574 INFO L225 Difference]: With dead ends: 3075 [2021-01-06 20:23:00,574 INFO L226 Difference]: Without dead ends: 2146 [2021-01-06 20:23:00,576 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 20:23:00,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2021-01-06 20:23:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2108. [2021-01-06 20:23:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2021-01-06 20:23:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3060 transitions. [2021-01-06 20:23:00,724 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3060 transitions. Word has length 143 [2021-01-06 20:23:00,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:00,725 INFO L481 AbstractCegarLoop]: Abstraction has 2108 states and 3060 transitions. [2021-01-06 20:23:00,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3060 transitions. [2021-01-06 20:23:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-01-06 20:23:00,730 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:00,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:23:00,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:23:00,731 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:00,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1947336930, now seen corresponding path program 1 times [2021-01-06 20:23:00,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:00,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811027627] [2021-01-06 20:23:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:00,943 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 20:23:00,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811027627] [2021-01-06 20:23:00,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:00,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:23:00,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547315994] [2021-01-06 20:23:00,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:23:00,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:00,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:23:00,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:00,946 INFO L87 Difference]: Start difference. First operand 2108 states and 3060 transitions. Second operand 5 states. [2021-01-06 20:23:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:01,306 INFO L93 Difference]: Finished difference Result 6002 states and 8697 transitions. [2021-01-06 20:23:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:01,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2021-01-06 20:23:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:01,325 INFO L225 Difference]: With dead ends: 6002 [2021-01-06 20:23:01,326 INFO L226 Difference]: Without dead ends: 3908 [2021-01-06 20:23:01,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:01,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2021-01-06 20:23:01,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3878. [2021-01-06 20:23:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3878 states. [2021-01-06 20:23:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5564 transitions. [2021-01-06 20:23:01,568 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5564 transitions. Word has length 143 [2021-01-06 20:23:01,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:01,570 INFO L481 AbstractCegarLoop]: Abstraction has 3878 states and 5564 transitions. [2021-01-06 20:23:01,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:23:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5564 transitions. [2021-01-06 20:23:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-01-06 20:23:01,577 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:01,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:23:01,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:23:01,578 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:01,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1237819550, now seen corresponding path program 1 times [2021-01-06 20:23:01,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:01,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295779235] [2021-01-06 20:23:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:23:01,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295779235] [2021-01-06 20:23:01,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:01,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:01,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112918865] [2021-01-06 20:23:01,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:01,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:01,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:01,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:01,843 INFO L87 Difference]: Start difference. First operand 3878 states and 5564 transitions. Second operand 4 states. [2021-01-06 20:23:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:02,485 INFO L93 Difference]: Finished difference Result 11345 states and 16231 transitions. [2021-01-06 20:23:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:02,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2021-01-06 20:23:02,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:02,537 INFO L225 Difference]: With dead ends: 11345 [2021-01-06 20:23:02,537 INFO L226 Difference]: Without dead ends: 7523 [2021-01-06 20:23:02,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2021-01-06 20:23:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7479. [2021-01-06 20:23:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7479 states. [2021-01-06 20:23:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 10620 transitions. [2021-01-06 20:23:03,207 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 10620 transitions. Word has length 143 [2021-01-06 20:23:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:03,208 INFO L481 AbstractCegarLoop]: Abstraction has 7479 states and 10620 transitions. [2021-01-06 20:23:03,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 10620 transitions. [2021-01-06 20:23:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 20:23:03,226 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:03,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:23:03,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:23:03,234 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:03,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:03,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1470261354, now seen corresponding path program 1 times [2021-01-06 20:23:03,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:03,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109827308] [2021-01-06 20:23:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:03,298 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 20:23:03,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109827308] [2021-01-06 20:23:03,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:03,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:23:03,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048033735] [2021-01-06 20:23:03,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:23:03,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:03,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:23:03,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:23:03,301 INFO L87 Difference]: Start difference. First operand 7479 states and 10620 transitions. Second operand 3 states. [2021-01-06 20:23:04,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:04,193 INFO L93 Difference]: Finished difference Result 22285 states and 31627 transitions. [2021-01-06 20:23:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:04,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-01-06 20:23:04,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:04,270 INFO L225 Difference]: With dead ends: 22285 [2021-01-06 20:23:04,270 INFO L226 Difference]: Without dead ends: 14897 [2021-01-06 20:23:04,284 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 20:23:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14897 states. [2021-01-06 20:23:04,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14897 to 7489. [2021-01-06 20:23:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7489 states. [2021-01-06 20:23:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7489 states to 7489 states and 10630 transitions. [2021-01-06 20:23:04,960 INFO L78 Accepts]: Start accepts. Automaton has 7489 states and 10630 transitions. Word has length 144 [2021-01-06 20:23:04,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:04,960 INFO L481 AbstractCegarLoop]: Abstraction has 7489 states and 10630 transitions. [2021-01-06 20:23:04,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 7489 states and 10630 transitions. [2021-01-06 20:23:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-01-06 20:23:04,975 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:04,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:04,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:23:04,975 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:04,976 INFO L82 PathProgramCache]: Analyzing trace with hash -671861994, now seen corresponding path program 1 times [2021-01-06 20:23:04,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:04,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176184368] [2021-01-06 20:23:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:05,081 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 20:23:05,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176184368] [2021-01-06 20:23:05,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:05,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:23:05,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884904457] [2021-01-06 20:23:05,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:23:05,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:23:05,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:23:05,089 INFO L87 Difference]: Start difference. First operand 7489 states and 10630 transitions. Second operand 3 states. [2021-01-06 20:23:06,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:06,030 INFO L93 Difference]: Finished difference Result 21181 states and 30129 transitions. [2021-01-06 20:23:06,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:06,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2021-01-06 20:23:06,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:06,065 INFO L225 Difference]: With dead ends: 21181 [2021-01-06 20:23:06,065 INFO L226 Difference]: Without dead ends: 14533 [2021-01-06 20:23:06,079 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 20:23:06,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14533 states. [2021-01-06 20:23:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14533 to 14489. [2021-01-06 20:23:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14489 states. [2021-01-06 20:23:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14489 states to 14489 states and 20353 transitions. [2021-01-06 20:23:07,082 INFO L78 Accepts]: Start accepts. Automaton has 14489 states and 20353 transitions. Word has length 145 [2021-01-06 20:23:07,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:07,083 INFO L481 AbstractCegarLoop]: Abstraction has 14489 states and 20353 transitions. [2021-01-06 20:23:07,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14489 states and 20353 transitions. [2021-01-06 20:23:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-01-06 20:23:07,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:07,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:07,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:23:07,103 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:07,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:07,104 INFO L82 PathProgramCache]: Analyzing trace with hash -720915239, now seen corresponding path program 1 times [2021-01-06 20:23:07,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:07,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647544767] [2021-01-06 20:23:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:07,328 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 20:23:07,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647544767] [2021-01-06 20:23:07,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:07,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:23:07,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232829054] [2021-01-06 20:23:07,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:23:07,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:07,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:23:07,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:07,331 INFO L87 Difference]: Start difference. First operand 14489 states and 20353 transitions. Second operand 5 states. [2021-01-06 20:23:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:08,653 INFO L93 Difference]: Finished difference Result 38834 states and 54380 transitions. [2021-01-06 20:23:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:08,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2021-01-06 20:23:08,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:08,711 INFO L225 Difference]: With dead ends: 38834 [2021-01-06 20:23:08,711 INFO L226 Difference]: Without dead ends: 24423 [2021-01-06 20:23:08,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:08,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2021-01-06 20:23:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 24397. [2021-01-06 20:23:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24397 states. [2021-01-06 20:23:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24397 states to 24397 states and 33649 transitions. [2021-01-06 20:23:10,341 INFO L78 Accepts]: Start accepts. Automaton has 24397 states and 33649 transitions. Word has length 145 [2021-01-06 20:23:10,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:10,341 INFO L481 AbstractCegarLoop]: Abstraction has 24397 states and 33649 transitions. [2021-01-06 20:23:10,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:23:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24397 states and 33649 transitions. [2021-01-06 20:23:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-01-06 20:23:10,374 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:10,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:10,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:23:10,374 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:10,375 INFO L82 PathProgramCache]: Analyzing trace with hash 909534973, now seen corresponding path program 1 times [2021-01-06 20:23:10,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:10,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135515278] [2021-01-06 20:23:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:10,531 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 20:23:10,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135515278] [2021-01-06 20:23:10,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:10,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:10,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265480508] [2021-01-06 20:23:10,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:10,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:10,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:10,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:10,534 INFO L87 Difference]: Start difference. First operand 24397 states and 33649 transitions. Second operand 4 states. [2021-01-06 20:23:11,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:11,843 INFO L93 Difference]: Finished difference Result 49325 states and 67865 transitions. [2021-01-06 20:23:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:11,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2021-01-06 20:23:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:11,891 INFO L225 Difference]: With dead ends: 49325 [2021-01-06 20:23:11,891 INFO L226 Difference]: Without dead ends: 25322 [2021-01-06 20:23:11,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25322 states. [2021-01-06 20:23:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25322 to 24863. [2021-01-06 20:23:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24863 states. [2021-01-06 20:23:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24863 states to 24863 states and 34162 transitions. [2021-01-06 20:23:13,351 INFO L78 Accepts]: Start accepts. Automaton has 24863 states and 34162 transitions. Word has length 145 [2021-01-06 20:23:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:13,351 INFO L481 AbstractCegarLoop]: Abstraction has 24863 states and 34162 transitions. [2021-01-06 20:23:13,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 24863 states and 34162 transitions. [2021-01-06 20:23:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-01-06 20:23:13,400 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:13,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:13,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:23:13,401 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:13,401 INFO L82 PathProgramCache]: Analyzing trace with hash -497015959, now seen corresponding path program 1 times [2021-01-06 20:23:13,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:13,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115890933] [2021-01-06 20:23:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:23:13,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115890933] [2021-01-06 20:23:13,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:13,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:23:13,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211250790] [2021-01-06 20:23:13,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:23:13,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:13,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:23:13,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:23:13,474 INFO L87 Difference]: Start difference. First operand 24863 states and 34162 transitions. Second operand 3 states. [2021-01-06 20:23:15,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:15,634 INFO L93 Difference]: Finished difference Result 72633 states and 100090 transitions. [2021-01-06 20:23:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:15,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2021-01-06 20:23:15,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:15,710 INFO L225 Difference]: With dead ends: 72633 [2021-01-06 20:23:15,710 INFO L226 Difference]: Without dead ends: 49312 [2021-01-06 20:23:15,738 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 20:23:15,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49312 states. [2021-01-06 20:23:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49312 to 24903. [2021-01-06 20:23:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24903 states. [2021-01-06 20:23:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 34202 transitions. [2021-01-06 20:23:17,210 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 34202 transitions. Word has length 146 [2021-01-06 20:23:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:17,210 INFO L481 AbstractCegarLoop]: Abstraction has 24903 states and 34202 transitions. [2021-01-06 20:23:17,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 34202 transitions. [2021-01-06 20:23:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-01-06 20:23:17,234 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:17,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:17,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:23:17,235 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:17,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1442584356, now seen corresponding path program 1 times [2021-01-06 20:23:17,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:17,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832271963] [2021-01-06 20:23:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:17,375 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 20:23:17,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832271963] [2021-01-06 20:23:17,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:17,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:17,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587396209] [2021-01-06 20:23:17,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:17,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:17,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:17,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:17,377 INFO L87 Difference]: Start difference. First operand 24903 states and 34202 transitions. Second operand 4 states. [2021-01-06 20:23:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:18,646 INFO L93 Difference]: Finished difference Result 40404 states and 55585 transitions. [2021-01-06 20:23:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:18,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2021-01-06 20:23:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:18,662 INFO L225 Difference]: With dead ends: 40404 [2021-01-06 20:23:18,663 INFO L226 Difference]: Without dead ends: 16484 [2021-01-06 20:23:18,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:18,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16484 states. [2021-01-06 20:23:19,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16484 to 16484. [2021-01-06 20:23:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16484 states. [2021-01-06 20:23:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16484 states to 16484 states and 22549 transitions. [2021-01-06 20:23:19,699 INFO L78 Accepts]: Start accepts. Automaton has 16484 states and 22549 transitions. Word has length 147 [2021-01-06 20:23:19,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:19,699 INFO L481 AbstractCegarLoop]: Abstraction has 16484 states and 22549 transitions. [2021-01-06 20:23:19,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 16484 states and 22549 transitions. [2021-01-06 20:23:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-01-06 20:23:19,712 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:19,712 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:19,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:23:19,713 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:19,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:19,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1557306087, now seen corresponding path program 1 times [2021-01-06 20:23:19,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:19,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561814191] [2021-01-06 20:23:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:19,874 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 20:23:19,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561814191] [2021-01-06 20:23:19,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:19,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:19,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172013641] [2021-01-06 20:23:19,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:19,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:19,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:19,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:19,876 INFO L87 Difference]: Start difference. First operand 16484 states and 22549 transitions. Second operand 4 states. [2021-01-06 20:23:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:21,295 INFO L93 Difference]: Finished difference Result 32605 states and 46325 transitions. [2021-01-06 20:23:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:21,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2021-01-06 20:23:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:21,320 INFO L225 Difference]: With dead ends: 32605 [2021-01-06 20:23:21,320 INFO L226 Difference]: Without dead ends: 26686 [2021-01-06 20:23:21,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26686 states. [2021-01-06 20:23:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26686 to 26684. [2021-01-06 20:23:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26684 states. [2021-01-06 20:23:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26684 states to 26684 states and 36777 transitions. [2021-01-06 20:23:23,166 INFO L78 Accepts]: Start accepts. Automaton has 26684 states and 36777 transitions. Word has length 155 [2021-01-06 20:23:23,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:23,167 INFO L481 AbstractCegarLoop]: Abstraction has 26684 states and 36777 transitions. [2021-01-06 20:23:23,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 26684 states and 36777 transitions. [2021-01-06 20:23:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-01-06 20:23:23,186 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:23,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:23,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:23:23,186 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:23,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:23,187 INFO L82 PathProgramCache]: Analyzing trace with hash 296784743, now seen corresponding path program 1 times [2021-01-06 20:23:23,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:23,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005752447] [2021-01-06 20:23:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:23,416 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 20:23:23,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005752447] [2021-01-06 20:23:23,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:23,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:23,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074601050] [2021-01-06 20:23:23,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:23,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:23,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:23,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:23,420 INFO L87 Difference]: Start difference. First operand 26684 states and 36777 transitions. Second operand 4 states. [2021-01-06 20:23:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:24,715 INFO L93 Difference]: Finished difference Result 44294 states and 61254 transitions. [2021-01-06 20:23:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:24,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2021-01-06 20:23:24,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:24,737 INFO L225 Difference]: With dead ends: 44294 [2021-01-06 20:23:24,737 INFO L226 Difference]: Without dead ends: 24301 [2021-01-06 20:23:24,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:24,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24301 states. [2021-01-06 20:23:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24301 to 24301. [2021-01-06 20:23:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24301 states. [2021-01-06 20:23:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24301 states to 24301 states and 33596 transitions. [2021-01-06 20:23:26,170 INFO L78 Accepts]: Start accepts. Automaton has 24301 states and 33596 transitions. Word has length 155 [2021-01-06 20:23:26,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:26,170 INFO L481 AbstractCegarLoop]: Abstraction has 24301 states and 33596 transitions. [2021-01-06 20:23:26,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24301 states and 33596 transitions. [2021-01-06 20:23:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-01-06 20:23:26,189 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:26,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:26,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:23:26,190 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:26,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1163062228, now seen corresponding path program 1 times [2021-01-06 20:23:26,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:26,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977421509] [2021-01-06 20:23:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:26,272 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 20:23:26,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977421509] [2021-01-06 20:23:26,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:26,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:23:26,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539801713] [2021-01-06 20:23:26,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:23:26,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:26,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:23:26,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:23:26,275 INFO L87 Difference]: Start difference. First operand 24301 states and 33596 transitions. Second operand 3 states. [2021-01-06 20:23:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:29,126 INFO L93 Difference]: Finished difference Result 68381 states and 95160 transitions. [2021-01-06 20:23:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:23:29,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2021-01-06 20:23:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:29,171 INFO L225 Difference]: With dead ends: 68381 [2021-01-06 20:23:29,171 INFO L226 Difference]: Without dead ends: 47183 [2021-01-06 20:23:29,189 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 20:23:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47183 states. [2021-01-06 20:23:32,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47183 to 47129. [2021-01-06 20:23:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47129 states. [2021-01-06 20:23:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47129 states to 47129 states and 64776 transitions. [2021-01-06 20:23:32,108 INFO L78 Accepts]: Start accepts. Automaton has 47129 states and 64776 transitions. Word has length 161 [2021-01-06 20:23:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:32,108 INFO L481 AbstractCegarLoop]: Abstraction has 47129 states and 64776 transitions. [2021-01-06 20:23:32,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 47129 states and 64776 transitions. [2021-01-06 20:23:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-01-06 20:23:32,153 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:32,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:32,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:23:32,154 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:32,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1593816879, now seen corresponding path program 1 times [2021-01-06 20:23:32,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:32,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115130407] [2021-01-06 20:23:32,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:32,444 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 20:23:32,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115130407] [2021-01-06 20:23:32,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:32,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:23:32,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056747969] [2021-01-06 20:23:32,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 20:23:32,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:32,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 20:23:32,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:23:32,450 INFO L87 Difference]: Start difference. First operand 47129 states and 64776 transitions. Second operand 9 states. [2021-01-06 20:23:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:35,206 INFO L93 Difference]: Finished difference Result 61353 states and 87171 transitions. [2021-01-06 20:23:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:35,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2021-01-06 20:23:35,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:35,242 INFO L225 Difference]: With dead ends: 61353 [2021-01-06 20:23:35,242 INFO L226 Difference]: Without dead ends: 42651 [2021-01-06 20:23:35,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:23:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42651 states. [2021-01-06 20:23:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42651 to 42649. [2021-01-06 20:23:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42649 states. [2021-01-06 20:23:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42649 states to 42649 states and 57335 transitions. [2021-01-06 20:23:37,835 INFO L78 Accepts]: Start accepts. Automaton has 42649 states and 57335 transitions. Word has length 161 [2021-01-06 20:23:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:37,836 INFO L481 AbstractCegarLoop]: Abstraction has 42649 states and 57335 transitions. [2021-01-06 20:23:37,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 20:23:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 42649 states and 57335 transitions. [2021-01-06 20:23:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-01-06 20:23:37,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:37,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:37,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:23:37,858 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:37,859 INFO L82 PathProgramCache]: Analyzing trace with hash 554982836, now seen corresponding path program 1 times [2021-01-06 20:23:37,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:37,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470620885] [2021-01-06 20:23:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:38,011 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 20:23:38,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470620885] [2021-01-06 20:23:38,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:38,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:38,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597853323] [2021-01-06 20:23:38,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:38,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:38,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:38,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:38,014 INFO L87 Difference]: Start difference. First operand 42649 states and 57335 transitions. Second operand 4 states. [2021-01-06 20:23:39,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:39,823 INFO L93 Difference]: Finished difference Result 71323 states and 95769 transitions. [2021-01-06 20:23:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:39,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2021-01-06 20:23:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:39,855 INFO L225 Difference]: With dead ends: 71323 [2021-01-06 20:23:39,855 INFO L226 Difference]: Without dead ends: 28744 [2021-01-06 20:23:39,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:39,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2021-01-06 20:23:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2021-01-06 20:23:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28744 states. [2021-01-06 20:23:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 38520 transitions. [2021-01-06 20:23:41,856 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 38520 transitions. Word has length 161 [2021-01-06 20:23:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:41,857 INFO L481 AbstractCegarLoop]: Abstraction has 28744 states and 38520 transitions. [2021-01-06 20:23:41,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 38520 transitions. [2021-01-06 20:23:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-01-06 20:23:41,873 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:41,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:41,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:23:41,873 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:41,874 INFO L82 PathProgramCache]: Analyzing trace with hash 414006733, now seen corresponding path program 1 times [2021-01-06 20:23:41,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:41,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615123653] [2021-01-06 20:23:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:42,039 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 20:23:42,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615123653] [2021-01-06 20:23:42,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:42,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:23:42,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717353989] [2021-01-06 20:23:42,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:23:42,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:42,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:23:42,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:23:42,041 INFO L87 Difference]: Start difference. First operand 28744 states and 38520 transitions. Second operand 6 states. [2021-01-06 20:23:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:44,195 INFO L93 Difference]: Finished difference Result 56423 states and 75789 transitions. [2021-01-06 20:23:44,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:23:44,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2021-01-06 20:23:44,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:44,222 INFO L225 Difference]: With dead ends: 56423 [2021-01-06 20:23:44,223 INFO L226 Difference]: Without dead ends: 28746 [2021-01-06 20:23:44,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 20:23:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2021-01-06 20:23:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28588. [2021-01-06 20:23:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28588 states. [2021-01-06 20:23:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28588 states to 28588 states and 37916 transitions. [2021-01-06 20:23:45,922 INFO L78 Accepts]: Start accepts. Automaton has 28588 states and 37916 transitions. Word has length 169 [2021-01-06 20:23:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:45,922 INFO L481 AbstractCegarLoop]: Abstraction has 28588 states and 37916 transitions. [2021-01-06 20:23:45,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:23:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 28588 states and 37916 transitions. [2021-01-06 20:23:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-01-06 20:23:45,937 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:45,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:45,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 20:23:45,938 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:45,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1444044968, now seen corresponding path program 1 times [2021-01-06 20:23:45,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:45,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401994933] [2021-01-06 20:23:45,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:46,076 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 20:23:46,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401994933] [2021-01-06 20:23:46,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:46,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:46,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688771523] [2021-01-06 20:23:46,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:46,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:46,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:46,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:46,079 INFO L87 Difference]: Start difference. First operand 28588 states and 37916 transitions. Second operand 4 states. [2021-01-06 20:23:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:48,690 INFO L93 Difference]: Finished difference Result 52350 states and 71145 transitions. [2021-01-06 20:23:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:48,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2021-01-06 20:23:48,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:48,731 INFO L225 Difference]: With dead ends: 52350 [2021-01-06 20:23:48,731 INFO L226 Difference]: Without dead ends: 41075 [2021-01-06 20:23:48,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41075 states. [2021-01-06 20:23:51,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41075 to 41073. [2021-01-06 20:23:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41073 states. [2021-01-06 20:23:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41073 states to 41073 states and 53829 transitions. [2021-01-06 20:23:51,427 INFO L78 Accepts]: Start accepts. Automaton has 41073 states and 53829 transitions. Word has length 169 [2021-01-06 20:23:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:51,428 INFO L481 AbstractCegarLoop]: Abstraction has 41073 states and 53829 transitions. [2021-01-06 20:23:51,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 41073 states and 53829 transitions. [2021-01-06 20:23:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-01-06 20:23:51,453 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:51,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:51,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 20:23:51,454 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:51,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:51,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1157430736, now seen corresponding path program 1 times [2021-01-06 20:23:51,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:51,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139786551] [2021-01-06 20:23:51,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:51,617 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 20:23:51,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139786551] [2021-01-06 20:23:51,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:51,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:51,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493416185] [2021-01-06 20:23:51,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:51,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:51,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:51,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:51,620 INFO L87 Difference]: Start difference. First operand 41073 states and 53829 transitions. Second operand 4 states. [2021-01-06 20:23:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:54,565 INFO L93 Difference]: Finished difference Result 82429 states and 107978 transitions. [2021-01-06 20:23:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:54,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2021-01-06 20:23:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:54,608 INFO L225 Difference]: With dead ends: 82429 [2021-01-06 20:23:54,608 INFO L226 Difference]: Without dead ends: 41682 [2021-01-06 20:23:54,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2021-01-06 20:23:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 41361. [2021-01-06 20:23:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41361 states. [2021-01-06 20:23:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41361 states to 41361 states and 54136 transitions. [2021-01-06 20:23:57,483 INFO L78 Accepts]: Start accepts. Automaton has 41361 states and 54136 transitions. Word has length 169 [2021-01-06 20:23:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:57,484 INFO L481 AbstractCegarLoop]: Abstraction has 41361 states and 54136 transitions. [2021-01-06 20:23:57,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41361 states and 54136 transitions. [2021-01-06 20:23:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-01-06 20:23:57,505 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:57,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:57,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 20:23:57,506 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:57,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:57,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1236291671, now seen corresponding path program 1 times [2021-01-06 20:23:57,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:57,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695210228] [2021-01-06 20:23:57,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:57,651 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 20:23:57,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695210228] [2021-01-06 20:23:57,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:57,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:57,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330687451] [2021-01-06 20:23:57,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:57,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:57,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:57,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:57,654 INFO L87 Difference]: Start difference. First operand 41361 states and 54136 transitions. Second operand 4 states. [2021-01-06 20:24:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:00,091 INFO L93 Difference]: Finished difference Result 59148 states and 77388 transitions. [2021-01-06 20:24:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:24:00,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2021-01-06 20:24:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:00,121 INFO L225 Difference]: With dead ends: 59148 [2021-01-06 20:24:00,121 INFO L226 Difference]: Without dead ends: 35812 [2021-01-06 20:24:00,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:24:00,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35812 states. [2021-01-06 20:24:02,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35812 to 35812. [2021-01-06 20:24:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35812 states. [2021-01-06 20:24:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35812 states to 35812 states and 46843 transitions. [2021-01-06 20:24:02,447 INFO L78 Accepts]: Start accepts. Automaton has 35812 states and 46843 transitions. Word has length 169 [2021-01-06 20:24:02,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:02,447 INFO L481 AbstractCegarLoop]: Abstraction has 35812 states and 46843 transitions. [2021-01-06 20:24:02,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:24:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 35812 states and 46843 transitions. [2021-01-06 20:24:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:24:02,465 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:02,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:02,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 20:24:02,466 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:02,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:02,466 INFO L82 PathProgramCache]: Analyzing trace with hash -855174734, now seen corresponding path program 1 times [2021-01-06 20:24:02,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:02,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210989696] [2021-01-06 20:24:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:04,121 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 20:24:04,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210989696] [2021-01-06 20:24:04,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:04,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-06 20:24:04,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333994608] [2021-01-06 20:24:04,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-06 20:24:04,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:04,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-06 20:24:04,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-01-06 20:24:04,123 INFO L87 Difference]: Start difference. First operand 35812 states and 46843 transitions. Second operand 22 states. [2021-01-06 20:24:04,560 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-01-06 20:24:05,025 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-06 20:24:05,281 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-01-06 20:24:05,640 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-01-06 20:24:05,957 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-01-06 20:24:06,267 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2021-01-06 20:24:07,388 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-01-06 20:24:07,905 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-06 20:24:08,887 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-06 20:24:09,356 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-01-06 20:24:10,387 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-01-06 20:24:10,708 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-01-06 20:24:11,165 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-01-06 20:24:11,620 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-01-06 20:24:11,959 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-01-06 20:24:12,420 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2021-01-06 20:24:13,149 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-06 20:24:13,437 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2021-01-06 20:24:13,856 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-06 20:24:14,205 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-06 20:24:14,546 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-01-06 20:24:14,977 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-06 20:24:15,299 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-01-06 20:24:15,671 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-01-06 20:24:16,222 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-06 20:24:16,650 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-01-06 20:24:16,990 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-06 20:24:17,438 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-01-06 20:24:18,518 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-01-06 20:24:19,143 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-01-06 20:24:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:22,090 INFO L93 Difference]: Finished difference Result 55948 states and 74303 transitions. [2021-01-06 20:24:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-06 20:24:22,091 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 171 [2021-01-06 20:24:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:22,146 INFO L225 Difference]: With dead ends: 55948 [2021-01-06 20:24:22,146 INFO L226 Difference]: Without dead ends: 54608 [2021-01-06 20:24:22,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=722, Invalid=2358, Unknown=0, NotChecked=0, Total=3080 [2021-01-06 20:24:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54608 states. [2021-01-06 20:24:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54608 to 37462. [2021-01-06 20:24:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37462 states. [2021-01-06 20:24:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37462 states to 37462 states and 48804 transitions. [2021-01-06 20:24:25,357 INFO L78 Accepts]: Start accepts. Automaton has 37462 states and 48804 transitions. Word has length 171 [2021-01-06 20:24:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:25,357 INFO L481 AbstractCegarLoop]: Abstraction has 37462 states and 48804 transitions. [2021-01-06 20:24:25,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-01-06 20:24:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 37462 states and 48804 transitions. [2021-01-06 20:24:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:24:25,380 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:25,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:25,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 20:24:25,380 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:25,381 INFO L82 PathProgramCache]: Analyzing trace with hash -176781235, now seen corresponding path program 1 times [2021-01-06 20:24:25,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:25,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328476258] [2021-01-06 20:24:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:25,653 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 20:24:25,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328476258] [2021-01-06 20:24:25,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:25,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:24:25,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486879534] [2021-01-06 20:24:25,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:24:25,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:25,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:24:25,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:24:25,655 INFO L87 Difference]: Start difference. First operand 37462 states and 48804 transitions. Second operand 10 states. [2021-01-06 20:24:28,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:28,160 INFO L93 Difference]: Finished difference Result 61389 states and 81018 transitions. [2021-01-06 20:24:28,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:24:28,161 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2021-01-06 20:24:28,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:28,186 INFO L225 Difference]: With dead ends: 61389 [2021-01-06 20:24:28,186 INFO L226 Difference]: Without dead ends: 26126 [2021-01-06 20:24:28,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-01-06 20:24:28,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26126 states. [2021-01-06 20:24:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26126 to 20465. [2021-01-06 20:24:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20465 states. [2021-01-06 20:24:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20465 states to 20465 states and 26306 transitions. [2021-01-06 20:24:30,053 INFO L78 Accepts]: Start accepts. Automaton has 20465 states and 26306 transitions. Word has length 171 [2021-01-06 20:24:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:30,059 INFO L481 AbstractCegarLoop]: Abstraction has 20465 states and 26306 transitions. [2021-01-06 20:24:30,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:24:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 20465 states and 26306 transitions. [2021-01-06 20:24:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:24:30,072 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:30,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:30,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 20:24:30,072 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:30,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1795637352, now seen corresponding path program 1 times [2021-01-06 20:24:30,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:30,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706239468] [2021-01-06 20:24:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:31,291 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 20:24:31,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706239468] [2021-01-06 20:24:31,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:31,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-06 20:24:31,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564894869] [2021-01-06 20:24:31,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-06 20:24:31,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:31,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-06 20:24:31,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-01-06 20:24:31,293 INFO L87 Difference]: Start difference. First operand 20465 states and 26306 transitions. Second operand 22 states. [2021-01-06 20:24:31,886 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-01-06 20:24:32,040 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2021-01-06 20:24:32,226 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2021-01-06 20:24:32,499 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2021-01-06 20:24:32,785 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-06 20:24:33,486 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-06 20:24:33,944 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-06 20:24:34,132 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-06 20:24:34,389 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-01-06 20:24:34,758 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-06 20:24:34,932 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2021-01-06 20:24:35,298 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2021-01-06 20:24:36,373 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-06 20:24:37,351 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2021-01-06 20:24:37,796 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-06 20:24:38,607 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2021-01-06 20:24:39,189 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2021-01-06 20:24:39,671 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-06 20:24:40,035 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2021-01-06 20:24:40,330 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-06 20:24:41,191 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-06 20:24:41,705 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-01-06 20:24:42,269 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-01-06 20:24:42,712 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-01-06 20:24:43,079 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2021-01-06 20:24:43,322 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-01-06 20:24:43,804 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-06 20:24:44,143 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-06 20:24:44,553 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-06 20:24:44,888 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2021-01-06 20:24:45,235 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-06 20:24:45,428 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-06 20:24:45,746 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2021-01-06 20:24:46,284 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-01-06 20:24:46,497 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-01-06 20:24:46,775 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-01-06 20:24:47,000 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2021-01-06 20:24:47,244 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2021-01-06 20:24:47,413 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2021-01-06 20:24:47,817 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-01-06 20:24:48,117 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-01-06 20:24:48,486 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-01-06 20:24:48,741 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2021-01-06 20:24:49,224 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-01-06 20:24:49,714 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-06 20:24:50,125 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2021-01-06 20:24:50,565 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-01-06 20:24:50,899 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2021-01-06 20:24:51,642 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-01-06 20:24:52,301 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-01-06 20:24:54,648 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2021-01-06 20:24:55,106 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2021-01-06 20:24:55,723 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-01-06 20:24:56,053 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-01-06 20:24:56,778 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-06 20:24:57,392 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-01-06 20:24:58,833 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-06 20:24:59,324 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2021-01-06 20:24:59,817 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-01-06 20:25:00,109 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:25:00,575 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-01-06 20:25:00,826 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2021-01-06 20:25:01,611 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2021-01-06 20:25:02,123 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2021-01-06 20:25:02,725 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-01-06 20:25:03,171 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-01-06 20:25:04,301 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-01-06 20:25:04,572 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:25:05,109 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-01-06 20:25:05,475 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-01-06 20:25:06,978 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2021-01-06 20:25:07,513 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2021-01-06 20:25:09,502 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2021-01-06 20:25:09,771 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-01-06 20:25:11,955 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2021-01-06 20:25:12,311 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2021-01-06 20:25:13,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:13,022 INFO L93 Difference]: Finished difference Result 64190 states and 90870 transitions. [2021-01-06 20:25:13,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-01-06 20:25:13,023 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 171 [2021-01-06 20:25:13,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:13,089 INFO L225 Difference]: With dead ends: 64190 [2021-01-06 20:25:13,089 INFO L226 Difference]: Without dead ends: 62878 [2021-01-06 20:25:13,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=2023, Invalid=8483, Unknown=0, NotChecked=0, Total=10506 [2021-01-06 20:25:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62878 states. [2021-01-06 20:25:16,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62878 to 22258. [2021-01-06 20:25:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22258 states. [2021-01-06 20:25:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22258 states to 22258 states and 28464 transitions. [2021-01-06 20:25:16,037 INFO L78 Accepts]: Start accepts. Automaton has 22258 states and 28464 transitions. Word has length 171 [2021-01-06 20:25:16,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:16,037 INFO L481 AbstractCegarLoop]: Abstraction has 22258 states and 28464 transitions. [2021-01-06 20:25:16,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-01-06 20:25:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22258 states and 28464 transitions. [2021-01-06 20:25:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:25:16,050 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:16,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:25:16,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 20:25:16,050 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:16,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:16,051 INFO L82 PathProgramCache]: Analyzing trace with hash 367317059, now seen corresponding path program 1 times [2021-01-06 20:25:16,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:16,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729236115] [2021-01-06 20:25:16,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:16,147 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 20:25:16,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729236115] [2021-01-06 20:25:16,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:16,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:16,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55286600] [2021-01-06 20:25:16,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:16,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:16,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:16,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:16,149 INFO L87 Difference]: Start difference. First operand 22258 states and 28464 transitions. Second operand 3 states. [2021-01-06 20:25:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:20,953 INFO L93 Difference]: Finished difference Result 52681 states and 68453 transitions. [2021-01-06 20:25:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:20,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2021-01-06 20:25:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:20,990 INFO L225 Difference]: With dead ends: 52681 [2021-01-06 20:25:20,990 INFO L226 Difference]: Without dead ends: 38202 [2021-01-06 20:25:21,002 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 20:25:21,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38202 states. [2021-01-06 20:25:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38202 to 37672. [2021-01-06 20:25:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37672 states. [2021-01-06 20:25:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37672 states to 37672 states and 48293 transitions. [2021-01-06 20:25:25,459 INFO L78 Accepts]: Start accepts. Automaton has 37672 states and 48293 transitions. Word has length 171 [2021-01-06 20:25:25,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:25,459 INFO L481 AbstractCegarLoop]: Abstraction has 37672 states and 48293 transitions. [2021-01-06 20:25:25,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 37672 states and 48293 transitions. [2021-01-06 20:25:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:25:25,481 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:25,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:25:25,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 20:25:25,482 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:25,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:25,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1837040563, now seen corresponding path program 1 times [2021-01-06 20:25:25,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:25,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420553190] [2021-01-06 20:25:25,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:25,790 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 20:25:25,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420553190] [2021-01-06 20:25:25,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:25,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 20:25:25,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290400257] [2021-01-06 20:25:25,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 20:25:25,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:25,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 20:25:25,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-01-06 20:25:25,792 INFO L87 Difference]: Start difference. First operand 37672 states and 48293 transitions. Second operand 11 states. [2021-01-06 20:25:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:30,414 INFO L93 Difference]: Finished difference Result 53408 states and 69853 transitions. [2021-01-06 20:25:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:25:30,415 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2021-01-06 20:25:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:30,449 INFO L225 Difference]: With dead ends: 53408 [2021-01-06 20:25:30,450 INFO L226 Difference]: Without dead ends: 37672 [2021-01-06 20:25:30,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-01-06 20:25:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37672 states. [2021-01-06 20:25:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37672 to 37672. [2021-01-06 20:25:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37672 states. [2021-01-06 20:25:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37672 states to 37672 states and 47943 transitions. [2021-01-06 20:25:34,945 INFO L78 Accepts]: Start accepts. Automaton has 37672 states and 47943 transitions. Word has length 171 [2021-01-06 20:25:34,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:34,946 INFO L481 AbstractCegarLoop]: Abstraction has 37672 states and 47943 transitions. [2021-01-06 20:25:34,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 20:25:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 37672 states and 47943 transitions. [2021-01-06 20:25:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:25:34,968 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:34,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:25:34,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 20:25:34,968 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1127609204, now seen corresponding path program 1 times [2021-01-06 20:25:34,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:34,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949738942] [2021-01-06 20:25:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:36,366 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 20:25:36,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949738942] [2021-01-06 20:25:36,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:36,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-01-06 20:25:36,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215993277] [2021-01-06 20:25:36,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-01-06 20:25:36,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:36,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-01-06 20:25:36,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-01-06 20:25:36,368 INFO L87 Difference]: Start difference. First operand 37672 states and 47943 transitions. Second operand 21 states. [2021-01-06 20:25:36,954 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-01-06 20:25:38,975 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-01-06 20:25:39,416 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-01-06 20:25:40,531 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-01-06 20:25:41,006 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-01-06 20:25:42,115 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-01-06 20:25:42,719 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-01-06 20:25:43,199 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-01-06 20:25:44,131 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-01-06 20:25:44,577 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-01-06 20:25:45,178 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-01-06 20:25:45,676 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-01-06 20:25:47,191 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-01-06 20:25:54,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:54,043 INFO L93 Difference]: Finished difference Result 56333 states and 74711 transitions. [2021-01-06 20:25:54,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 20:25:54,044 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 171 [2021-01-06 20:25:54,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:54,102 INFO L225 Difference]: With dead ends: 56333 [2021-01-06 20:25:54,103 INFO L226 Difference]: Without dead ends: 55341 [2021-01-06 20:25:54,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2021-01-06 20:25:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55341 states. [2021-01-06 20:25:59,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55341 to 38399. [2021-01-06 20:25:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38399 states. [2021-01-06 20:25:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38399 states to 38399 states and 48818 transitions. [2021-01-06 20:25:59,165 INFO L78 Accepts]: Start accepts. Automaton has 38399 states and 48818 transitions. Word has length 171 [2021-01-06 20:25:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:59,165 INFO L481 AbstractCegarLoop]: Abstraction has 38399 states and 48818 transitions. [2021-01-06 20:25:59,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-01-06 20:25:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 38399 states and 48818 transitions. [2021-01-06 20:25:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:25:59,190 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:59,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:25:59,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 20:25:59,190 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:59,191 INFO L82 PathProgramCache]: Analyzing trace with hash 2108510481, now seen corresponding path program 1 times [2021-01-06 20:25:59,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:59,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766816484] [2021-01-06 20:25:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:59,931 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 20:25:59,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766816484] [2021-01-06 20:25:59,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:59,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-06 20:25:59,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63348100] [2021-01-06 20:25:59,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-06 20:25:59,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:59,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-06 20:25:59,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-01-06 20:25:59,933 INFO L87 Difference]: Start difference. First operand 38399 states and 48818 transitions. Second operand 18 states. [2021-01-06 20:26:00,061 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-01-06 20:26:04,582 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2021-01-06 20:26:16,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:16,879 INFO L93 Difference]: Finished difference Result 92660 states and 123636 transitions. [2021-01-06 20:26:16,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:26:16,880 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 171 [2021-01-06 20:26:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:16,968 INFO L225 Difference]: With dead ends: 92660 [2021-01-06 20:26:16,968 INFO L226 Difference]: Without dead ends: 86397 [2021-01-06 20:26:16,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=425, Invalid=1467, Unknown=0, NotChecked=0, Total=1892 [2021-01-06 20:26:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86397 states. [2021-01-06 20:26:24,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86397 to 49169. [2021-01-06 20:26:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49169 states. [2021-01-06 20:26:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49169 states to 49169 states and 61488 transitions. [2021-01-06 20:26:24,065 INFO L78 Accepts]: Start accepts. Automaton has 49169 states and 61488 transitions. Word has length 171 [2021-01-06 20:26:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:24,066 INFO L481 AbstractCegarLoop]: Abstraction has 49169 states and 61488 transitions. [2021-01-06 20:26:24,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-01-06 20:26:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 49169 states and 61488 transitions. [2021-01-06 20:26:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 20:26:24,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:24,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:24,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 20:26:24,096 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:24,096 INFO L82 PathProgramCache]: Analyzing trace with hash 416227804, now seen corresponding path program 1 times [2021-01-06 20:26:24,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:24,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960163841] [2021-01-06 20:26:24,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:24,682 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 20:26:24,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960163841] [2021-01-06 20:26:24,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:24,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-01-06 20:26:24,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242629840] [2021-01-06 20:26:24,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-06 20:26:24,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:24,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-06 20:26:24,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-01-06 20:26:24,684 INFO L87 Difference]: Start difference. First operand 49169 states and 61488 transitions. Second operand 16 states. [2021-01-06 20:26:24,814 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-01-06 20:26:26,711 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2021-01-06 20:26:27,314 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-01-06 20:26:28,442 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-01-06 20:26:28,767 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-01-06 20:26:29,041 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-01-06 20:26:29,202 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-01-06 20:26:29,573 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-01-06 20:26:29,737 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-01-06 20:26:32,934 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-01-06 20:26:34,066 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-01-06 20:26:37,135 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-01-06 20:26:37,918 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-06 20:26:38,377 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2021-01-06 20:26:38,573 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2021-01-06 20:26:39,094 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-01-06 20:26:40,802 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2021-01-06 20:26:40,982 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-01-06 20:26:41,262 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-01-06 20:26:44,108 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-01-06 20:26:44,349 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-06 20:26:45,017 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2021-01-06 20:26:46,128 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-01-06 20:26:48,395 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56