/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.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:22:35,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:22:35,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:22:35,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:22:35,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:22:35,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:22:35,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:22:35,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:22:35,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:22:35,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:22:35,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:22:35,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:22:35,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:22:35,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:22:35,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:22:35,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:22:35,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:22:35,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:22:35,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:22:35,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:22:35,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:22:35,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:22:35,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:22:35,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:22:35,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:22:35,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:22:35,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:22:35,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:22:35,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:22:35,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:22:35,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:22:35,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:22:35,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:22:35,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:22:35,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:22:35,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:22:35,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:22:35,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:22:35,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:22:35,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:22:35,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:22:35,520 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 20:22:35,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:22:35,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:22:35,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:22:35,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:22:35,570 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:22:35,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:22:35,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:22:35,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:22:35,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:22:35,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:22:35,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:22:35,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:22:35,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:22:35,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:22:35,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:22:35,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:22:35,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:22:35,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:22:35,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:22:35,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:22:35,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:22:35,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:22:35,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:22:35,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:22:35,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:22:35,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:22:35,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:22:35,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:22:35,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:22:35,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:22:35,984 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:22:35,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-01-06 20:22:36,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b3e425c5/e30d7726945c474785b6f7f0efd0f21e/FLAGbead6f1fe [2021-01-06 20:22:36,820 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:22:36,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-01-06 20:22:36,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b3e425c5/e30d7726945c474785b6f7f0efd0f21e/FLAGbead6f1fe [2021-01-06 20:22:37,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7b3e425c5/e30d7726945c474785b6f7f0efd0f21e [2021-01-06 20:22:37,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:22:37,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:22:37,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:22:37,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:22:37,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:22:37,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:22:37" (1/1) ... [2021-01-06 20:22:37,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e773e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:37, skipping insertion in model container [2021-01-06 20:22:37,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:22:37" (1/1) ... [2021-01-06 20:22:37,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:22:37,209 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_1732~0,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_1860~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_1978~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_2099~0,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[~main__i2~0,] 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[~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_2222~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2223_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~2,] 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 20:22:37,604 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.BOUNDED-6.pals.c.v+nlh-reducer.c[14115,14128] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2331~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2223_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] 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[~__return_2236~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] 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 20:22:37,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:22:37,724 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_1732~0,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_1860~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_1978~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~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_2099~0,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[~main__i2~0,] 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[~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_2222~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2223_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~2,] 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 20:22:37,939 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.BOUNDED-6.pals.c.v+nlh-reducer.c[14115,14128] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2331~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2223_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] 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[~__return_2236~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] 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 20:22:38,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:22:38,097 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:22:38,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38 WrapperNode [2021-01-06 20:22:38,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:22:38,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:22:38,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:22:38,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:22:38,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:22:38,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:22:38,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:22:38,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:22:38,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (1/1) ... [2021-01-06 20:22:38,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:22:38,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:22:38,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:22:38,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:22:38,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (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 20:22:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:22:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:22:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:22:38,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:22:40,074 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:22:40,075 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:22:40,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:22:40 BoogieIcfgContainer [2021-01-06 20:22:40,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:22:40,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:22:40,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:22:40,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:22:40,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:22:37" (1/3) ... [2021-01-06 20:22:40,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a5a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:22:40, skipping insertion in model container [2021-01-06 20:22:40,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:22:38" (2/3) ... [2021-01-06 20:22:40,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a5a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:22:40, skipping insertion in model container [2021-01-06 20:22:40,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:22:40" (3/3) ... [2021-01-06 20:22:40,088 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-01-06 20:22:40,095 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:22:40,101 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:22:40,122 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:22:40,152 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:22:40,152 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:22:40,152 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:22:40,152 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:22:40,153 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:22:40,153 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:22:40,153 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:22:40,153 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:22:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2021-01-06 20:22:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 20:22:40,189 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:40,190 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] [2021-01-06 20:22:40,191 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:40,197 INFO L82 PathProgramCache]: Analyzing trace with hash 574427721, now seen corresponding path program 1 times [2021-01-06 20:22:40,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:40,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144186024] [2021-01-06 20:22:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:40,866 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 20:22:40,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144186024] [2021-01-06 20:22:40,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:40,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:40,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131290363] [2021-01-06 20:22:40,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:40,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:40,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:40,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:40,901 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2021-01-06 20:22:41,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:41,141 INFO L93 Difference]: Finished difference Result 612 states and 1078 transitions. [2021-01-06 20:22:41,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:41,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-01-06 20:22:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:41,163 INFO L225 Difference]: With dead ends: 612 [2021-01-06 20:22:41,163 INFO L226 Difference]: Without dead ends: 495 [2021-01-06 20:22:41,167 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 20:22:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-01-06 20:22:41,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2021-01-06 20:22:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2021-01-06 20:22:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 736 transitions. [2021-01-06 20:22:41,261 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 736 transitions. Word has length 144 [2021-01-06 20:22:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:41,262 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 736 transitions. [2021-01-06 20:22:41,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 736 transitions. [2021-01-06 20:22:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 20:22:41,266 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:41,267 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 20:22:41,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:22:41,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:41,268 INFO L82 PathProgramCache]: Analyzing trace with hash 505056235, now seen corresponding path program 1 times [2021-01-06 20:22:41,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:41,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272012096] [2021-01-06 20:22:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:41,520 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 20:22:41,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272012096] [2021-01-06 20:22:41,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:41,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:41,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315066736] [2021-01-06 20:22:41,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:41,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:41,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:41,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:41,525 INFO L87 Difference]: Start difference. First operand 493 states and 736 transitions. Second operand 3 states. [2021-01-06 20:22:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:41,634 INFO L93 Difference]: Finished difference Result 1063 states and 1633 transitions. [2021-01-06 20:22:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:41,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-01-06 20:22:41,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:41,641 INFO L225 Difference]: With dead ends: 1063 [2021-01-06 20:22:41,642 INFO L226 Difference]: Without dead ends: 865 [2021-01-06 20:22:41,644 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 20:22:41,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2021-01-06 20:22:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 863. [2021-01-06 20:22:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2021-01-06 20:22:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1300 transitions. [2021-01-06 20:22:41,689 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1300 transitions. Word has length 144 [2021-01-06 20:22:41,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:41,690 INFO L481 AbstractCegarLoop]: Abstraction has 863 states and 1300 transitions. [2021-01-06 20:22:41,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1300 transitions. [2021-01-06 20:22:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 20:22:41,694 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:41,694 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 20:22:41,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:22:41,694 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash 459957428, now seen corresponding path program 1 times [2021-01-06 20:22:41,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:41,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104055860] [2021-01-06 20:22:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:42,057 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 20:22:42,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104055860] [2021-01-06 20:22:42,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:42,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:22:42,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418326705] [2021-01-06 20:22:42,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:22:42,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:22:42,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:22:42,073 INFO L87 Difference]: Start difference. First operand 863 states and 1300 transitions. Second operand 4 states. [2021-01-06 20:22:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:42,239 INFO L93 Difference]: Finished difference Result 2524 states and 3793 transitions. [2021-01-06 20:22:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:42,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2021-01-06 20:22:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:42,249 INFO L225 Difference]: With dead ends: 2524 [2021-01-06 20:22:42,249 INFO L226 Difference]: Without dead ends: 1670 [2021-01-06 20:22:42,252 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 20:22:42,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2021-01-06 20:22:42,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1668. [2021-01-06 20:22:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2021-01-06 20:22:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2486 transitions. [2021-01-06 20:22:42,330 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2486 transitions. Word has length 144 [2021-01-06 20:22:42,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:42,331 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 2486 transitions. [2021-01-06 20:22:42,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:22:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2486 transitions. [2021-01-06 20:22:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-01-06 20:22:42,335 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:42,336 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 20:22:42,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:22:42,336 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:42,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:42,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1789583768, now seen corresponding path program 1 times [2021-01-06 20:22:42,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:42,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688764853] [2021-01-06 20:22:42,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:42,478 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 20:22:42,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688764853] [2021-01-06 20:22:42,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:42,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:42,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938399958] [2021-01-06 20:22:42,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:42,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:42,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:42,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:42,485 INFO L87 Difference]: Start difference. First operand 1668 states and 2486 transitions. Second operand 3 states. [2021-01-06 20:22:42,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:42,651 INFO L93 Difference]: Finished difference Result 4966 states and 7396 transitions. [2021-01-06 20:22:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:42,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2021-01-06 20:22:42,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:42,675 INFO L225 Difference]: With dead ends: 4966 [2021-01-06 20:22:42,675 INFO L226 Difference]: Without dead ends: 3326 [2021-01-06 20:22:42,680 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 20:22:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2021-01-06 20:22:42,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 1670. [2021-01-06 20:22:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2021-01-06 20:22:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2488 transitions. [2021-01-06 20:22:42,829 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2488 transitions. Word has length 145 [2021-01-06 20:22:42,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:42,829 INFO L481 AbstractCegarLoop]: Abstraction has 1670 states and 2488 transitions. [2021-01-06 20:22:42,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2488 transitions. [2021-01-06 20:22:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-01-06 20:22:42,835 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:42,836 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 20:22:42,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:22:42,836 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:42,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:42,839 INFO L82 PathProgramCache]: Analyzing trace with hash 338353525, now seen corresponding path program 1 times [2021-01-06 20:22:42,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:42,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377207364] [2021-01-06 20:22:42,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:43,220 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 20:22:43,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377207364] [2021-01-06 20:22:43,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:43,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:22:43,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943633792] [2021-01-06 20:22:43,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:22:43,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:43,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:22:43,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:22:43,226 INFO L87 Difference]: Start difference. First operand 1670 states and 2488 transitions. Second operand 4 states. [2021-01-06 20:22:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:43,556 INFO L93 Difference]: Finished difference Result 4862 states and 7224 transitions. [2021-01-06 20:22:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:43,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2021-01-06 20:22:43,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:43,574 INFO L225 Difference]: With dead ends: 4862 [2021-01-06 20:22:43,574 INFO L226 Difference]: Without dead ends: 3222 [2021-01-06 20:22:43,581 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 20:22:43,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2021-01-06 20:22:43,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3220. [2021-01-06 20:22:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3220 states. [2021-01-06 20:22:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4744 transitions. [2021-01-06 20:22:43,838 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4744 transitions. Word has length 146 [2021-01-06 20:22:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:43,839 INFO L481 AbstractCegarLoop]: Abstraction has 3220 states and 4744 transitions. [2021-01-06 20:22:43,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:22:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4744 transitions. [2021-01-06 20:22:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-01-06 20:22:43,844 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:43,845 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 20:22:43,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:22:43,846 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:43,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1154912631, now seen corresponding path program 1 times [2021-01-06 20:22:43,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:43,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660052727] [2021-01-06 20:22:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:43,921 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 20:22:43,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660052727] [2021-01-06 20:22:43,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:43,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:43,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589368854] [2021-01-06 20:22:43,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:43,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:43,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:43,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:43,925 INFO L87 Difference]: Start difference. First operand 3220 states and 4744 transitions. Second operand 3 states. [2021-01-06 20:22:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:44,372 INFO L93 Difference]: Finished difference Result 9584 states and 14112 transitions. [2021-01-06 20:22:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:44,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-01-06 20:22:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:44,404 INFO L225 Difference]: With dead ends: 9584 [2021-01-06 20:22:44,404 INFO L226 Difference]: Without dead ends: 6408 [2021-01-06 20:22:44,410 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 20:22:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2021-01-06 20:22:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 3224. [2021-01-06 20:22:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3224 states. [2021-01-06 20:22:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 4748 transitions. [2021-01-06 20:22:44,705 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 4748 transitions. Word has length 147 [2021-01-06 20:22:44,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:44,705 INFO L481 AbstractCegarLoop]: Abstraction has 3224 states and 4748 transitions. [2021-01-06 20:22:44,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 4748 transitions. [2021-01-06 20:22:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-01-06 20:22:44,732 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:44,732 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] [2021-01-06 20:22:44,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:22:44,732 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2056376896, now seen corresponding path program 1 times [2021-01-06 20:22:44,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:44,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440590012] [2021-01-06 20:22:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:44,859 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 20:22:44,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440590012] [2021-01-06 20:22:44,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:44,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:44,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069375446] [2021-01-06 20:22:44,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:44,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:44,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:44,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:44,866 INFO L87 Difference]: Start difference. First operand 3224 states and 4748 transitions. Second operand 3 states. [2021-01-06 20:22:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:45,363 INFO L93 Difference]: Finished difference Result 8505 states and 12535 transitions. [2021-01-06 20:22:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:45,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2021-01-06 20:22:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:45,393 INFO L225 Difference]: With dead ends: 8505 [2021-01-06 20:22:45,393 INFO L226 Difference]: Without dead ends: 5589 [2021-01-06 20:22:45,400 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 20:22:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2021-01-06 20:22:45,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5587. [2021-01-06 20:22:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5587 states. [2021-01-06 20:22:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5587 states to 5587 states and 8109 transitions. [2021-01-06 20:22:45,843 INFO L78 Accepts]: Start accepts. Automaton has 5587 states and 8109 transitions. Word has length 148 [2021-01-06 20:22:45,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:45,845 INFO L481 AbstractCegarLoop]: Abstraction has 5587 states and 8109 transitions. [2021-01-06 20:22:45,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 5587 states and 8109 transitions. [2021-01-06 20:22:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-01-06 20:22:45,854 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:45,854 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] [2021-01-06 20:22:45,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:22:45,855 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:45,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:45,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1182249245, now seen corresponding path program 1 times [2021-01-06 20:22:45,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:45,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742752031] [2021-01-06 20:22:45,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:46,088 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 20:22:46,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742752031] [2021-01-06 20:22:46,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:46,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:22:46,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357174996] [2021-01-06 20:22:46,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:22:46,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:46,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:22:46,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:22:46,092 INFO L87 Difference]: Start difference. First operand 5587 states and 8109 transitions. Second operand 5 states. [2021-01-06 20:22:46,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:46,887 INFO L93 Difference]: Finished difference Result 16093 states and 23348 transitions. [2021-01-06 20:22:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:46,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2021-01-06 20:22:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:46,943 INFO L225 Difference]: With dead ends: 16093 [2021-01-06 20:22:46,943 INFO L226 Difference]: Without dead ends: 10543 [2021-01-06 20:22:46,960 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 20:22:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10543 states. [2021-01-06 20:22:47,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10543 to 10541. [2021-01-06 20:22:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10541 states. [2021-01-06 20:22:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10541 states to 10541 states and 15140 transitions. [2021-01-06 20:22:47,908 INFO L78 Accepts]: Start accepts. Automaton has 10541 states and 15140 transitions. Word has length 148 [2021-01-06 20:22:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:47,909 INFO L481 AbstractCegarLoop]: Abstraction has 10541 states and 15140 transitions. [2021-01-06 20:22:47,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:22:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 10541 states and 15140 transitions. [2021-01-06 20:22:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-01-06 20:22:47,935 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:47,935 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] [2021-01-06 20:22:47,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:22:47,936 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:47,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:47,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1313778358, now seen corresponding path program 1 times [2021-01-06 20:22:47,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:47,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857437576] [2021-01-06 20:22:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:48,176 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 20:22:48,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857437576] [2021-01-06 20:22:48,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:48,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:22:48,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188301300] [2021-01-06 20:22:48,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:22:48,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:48,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:22:48,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:22:48,179 INFO L87 Difference]: Start difference. First operand 10541 states and 15140 transitions. Second operand 4 states. [2021-01-06 20:22:49,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:49,134 INFO L93 Difference]: Finished difference Result 21315 states and 30516 transitions. [2021-01-06 20:22:49,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:49,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-01-06 20:22:49,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:49,160 INFO L225 Difference]: With dead ends: 21315 [2021-01-06 20:22:49,161 INFO L226 Difference]: Without dead ends: 10891 [2021-01-06 20:22:49,178 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 20:22:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10891 states. [2021-01-06 20:22:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10891 to 10749. [2021-01-06 20:22:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10749 states. [2021-01-06 20:22:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 15368 transitions. [2021-01-06 20:22:50,094 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 15368 transitions. Word has length 148 [2021-01-06 20:22:50,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:50,094 INFO L481 AbstractCegarLoop]: Abstraction has 10749 states and 15368 transitions. [2021-01-06 20:22:50,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:22:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 15368 transitions. [2021-01-06 20:22:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-01-06 20:22:50,112 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:50,113 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] [2021-01-06 20:22:50,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:22:50,113 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:50,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:50,114 INFO L82 PathProgramCache]: Analyzing trace with hash -618796246, now seen corresponding path program 1 times [2021-01-06 20:22:50,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:50,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727883043] [2021-01-06 20:22:50,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:50,185 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 20:22:50,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727883043] [2021-01-06 20:22:50,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:50,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:50,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789518389] [2021-01-06 20:22:50,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:50,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:50,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:50,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:50,190 INFO L87 Difference]: Start difference. First operand 10749 states and 15368 transitions. Second operand 3 states. [2021-01-06 20:22:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:51,800 INFO L93 Difference]: Finished difference Result 31557 states and 45226 transitions. [2021-01-06 20:22:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:51,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2021-01-06 20:22:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:51,850 INFO L225 Difference]: With dead ends: 31557 [2021-01-06 20:22:51,850 INFO L226 Difference]: Without dead ends: 21373 [2021-01-06 20:22:51,865 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 20:22:51,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21373 states. [2021-01-06 20:22:52,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21373 to 10765. [2021-01-06 20:22:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10765 states. [2021-01-06 20:22:52,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10765 states to 10765 states and 15384 transitions. [2021-01-06 20:22:52,913 INFO L78 Accepts]: Start accepts. Automaton has 10765 states and 15384 transitions. Word has length 149 [2021-01-06 20:22:52,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:52,914 INFO L481 AbstractCegarLoop]: Abstraction has 10765 states and 15384 transitions. [2021-01-06 20:22:52,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 10765 states and 15384 transitions. [2021-01-06 20:22:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 20:22:52,932 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:52,932 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] [2021-01-06 20:22:52,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:22:52,933 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:52,934 INFO L82 PathProgramCache]: Analyzing trace with hash 696847479, now seen corresponding path program 1 times [2021-01-06 20:22:52,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:52,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817622824] [2021-01-06 20:22:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:53,118 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 20:22:53,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817622824] [2021-01-06 20:22:53,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:53,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:22:53,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880798985] [2021-01-06 20:22:53,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:22:53,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:53,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:22:53,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:22:53,122 INFO L87 Difference]: Start difference. First operand 10765 states and 15384 transitions. Second operand 4 states. [2021-01-06 20:22:53,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:53,819 INFO L93 Difference]: Finished difference Result 21520 states and 30754 transitions. [2021-01-06 20:22:53,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:22:53,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2021-01-06 20:22:53,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:53,848 INFO L225 Difference]: With dead ends: 21520 [2021-01-06 20:22:53,849 INFO L226 Difference]: Without dead ends: 10763 [2021-01-06 20:22:53,866 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 20:22:53,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2021-01-06 20:22:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 10763. [2021-01-06 20:22:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10763 states. [2021-01-06 20:22:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10763 states to 10763 states and 15380 transitions. [2021-01-06 20:22:54,556 INFO L78 Accepts]: Start accepts. Automaton has 10763 states and 15380 transitions. Word has length 150 [2021-01-06 20:22:54,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:54,556 INFO L481 AbstractCegarLoop]: Abstraction has 10763 states and 15380 transitions. [2021-01-06 20:22:54,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:22:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 10763 states and 15380 transitions. [2021-01-06 20:22:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 20:22:54,572 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:54,572 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] [2021-01-06 20:22:54,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:22:54,573 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:54,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:54,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1219131811, now seen corresponding path program 1 times [2021-01-06 20:22:54,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:54,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042496539] [2021-01-06 20:22:54,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:54,677 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 20:22:54,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042496539] [2021-01-06 20:22:54,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:54,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:54,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523350020] [2021-01-06 20:22:54,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:54,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:54,679 INFO L87 Difference]: Start difference. First operand 10763 states and 15380 transitions. Second operand 3 states. [2021-01-06 20:22:55,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:55,593 INFO L93 Difference]: Finished difference Result 25628 states and 36743 transitions. [2021-01-06 20:22:55,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:55,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2021-01-06 20:22:55,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:55,625 INFO L225 Difference]: With dead ends: 25628 [2021-01-06 20:22:55,626 INFO L226 Difference]: Without dead ends: 15980 [2021-01-06 20:22:55,640 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 20:22:55,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15980 states. [2021-01-06 20:22:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15980 to 15978. [2021-01-06 20:22:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15978 states. [2021-01-06 20:22:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15978 states to 15978 states and 22453 transitions. [2021-01-06 20:22:56,795 INFO L78 Accepts]: Start accepts. Automaton has 15978 states and 22453 transitions. Word has length 150 [2021-01-06 20:22:56,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:22:56,795 INFO L481 AbstractCegarLoop]: Abstraction has 15978 states and 22453 transitions. [2021-01-06 20:22:56,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:22:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 15978 states and 22453 transitions. [2021-01-06 20:22:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-01-06 20:22:56,831 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:22:56,831 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] [2021-01-06 20:22:56,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:22:56,831 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:22:56,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:22:56,832 INFO L82 PathProgramCache]: Analyzing trace with hash 204880059, now seen corresponding path program 1 times [2021-01-06 20:22:56,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:22:56,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541632959] [2021-01-06 20:22:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:22:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:22:56,947 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 20:22:56,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541632959] [2021-01-06 20:22:56,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:22:56,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:22:56,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135133486] [2021-01-06 20:22:56,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:22:56,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:22:56,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:22:56,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:22:56,951 INFO L87 Difference]: Start difference. First operand 15978 states and 22453 transitions. Second operand 3 states. [2021-01-06 20:22:58,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:22:58,841 INFO L93 Difference]: Finished difference Result 42898 states and 61037 transitions. [2021-01-06 20:22:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:22:58,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2021-01-06 20:22:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:22:58,880 INFO L225 Difference]: With dead ends: 42898 [2021-01-06 20:22:58,880 INFO L226 Difference]: Without dead ends: 29628 [2021-01-06 20:22:58,904 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 20:22:58,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29628 states. [2021-01-06 20:23:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29628 to 29626. [2021-01-06 20:23:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29626 states. [2021-01-06 20:23:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29626 states to 29626 states and 41633 transitions. [2021-01-06 20:23:00,795 INFO L78 Accepts]: Start accepts. Automaton has 29626 states and 41633 transitions. Word has length 156 [2021-01-06 20:23:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:00,795 INFO L481 AbstractCegarLoop]: Abstraction has 29626 states and 41633 transitions. [2021-01-06 20:23:00,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:23:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29626 states and 41633 transitions. [2021-01-06 20:23:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-01-06 20:23:00,830 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:00,830 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] [2021-01-06 20:23:00,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:23:00,831 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:00,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:00,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1634156586, now seen corresponding path program 1 times [2021-01-06 20:23:00,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:00,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692460868] [2021-01-06 20:23:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:01,024 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 20:23:01,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692460868] [2021-01-06 20:23:01,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:01,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:01,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005487881] [2021-01-06 20:23:01,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:01,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:01,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:01,028 INFO L87 Difference]: Start difference. First operand 29626 states and 41633 transitions. Second operand 4 states. [2021-01-06 20:23:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:04,061 INFO L93 Difference]: Finished difference Result 76767 states and 107981 transitions. [2021-01-06 20:23:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:04,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2021-01-06 20:23:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:04,118 INFO L225 Difference]: With dead ends: 76767 [2021-01-06 20:23:04,118 INFO L226 Difference]: Without dead ends: 47501 [2021-01-06 20:23:04,141 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 20:23:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47501 states. [2021-01-06 20:23:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47501 to 47499. [2021-01-06 20:23:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47499 states. [2021-01-06 20:23:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47499 states to 47499 states and 65936 transitions. [2021-01-06 20:23:07,291 INFO L78 Accepts]: Start accepts. Automaton has 47499 states and 65936 transitions. Word has length 156 [2021-01-06 20:23:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:07,292 INFO L481 AbstractCegarLoop]: Abstraction has 47499 states and 65936 transitions. [2021-01-06 20:23:07,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 47499 states and 65936 transitions. [2021-01-06 20:23:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-01-06 20:23:07,334 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:07,334 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] [2021-01-06 20:23:07,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:23:07,334 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:07,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:07,335 INFO L82 PathProgramCache]: Analyzing trace with hash 926322572, now seen corresponding path program 1 times [2021-01-06 20:23:07,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:07,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345763589] [2021-01-06 20:23:07,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:07,496 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 20:23:07,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345763589] [2021-01-06 20:23:07,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:07,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:07,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823235979] [2021-01-06 20:23:07,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:07,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:07,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:07,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:07,499 INFO L87 Difference]: Start difference. First operand 47499 states and 65936 transitions. Second operand 4 states. [2021-01-06 20:23:10,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:10,067 INFO L93 Difference]: Finished difference Result 75789 states and 105192 transitions. [2021-01-06 20:23:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:10,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2021-01-06 20:23:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:10,115 INFO L225 Difference]: With dead ends: 75789 [2021-01-06 20:23:10,116 INFO L226 Difference]: Without dead ends: 38775 [2021-01-06 20:23:10,157 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 20:23:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38775 states. [2021-01-06 20:23:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38775 to 38775. [2021-01-06 20:23:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38775 states. [2021-01-06 20:23:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38775 states to 38775 states and 53621 transitions. [2021-01-06 20:23:12,758 INFO L78 Accepts]: Start accepts. Automaton has 38775 states and 53621 transitions. Word has length 158 [2021-01-06 20:23:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:12,758 INFO L481 AbstractCegarLoop]: Abstraction has 38775 states and 53621 transitions. [2021-01-06 20:23:12,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38775 states and 53621 transitions. [2021-01-06 20:23:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 20:23:12,785 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:12,785 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] [2021-01-06 20:23:12,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:23:12,786 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:12,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1764073122, now seen corresponding path program 1 times [2021-01-06 20:23:12,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:12,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189102187] [2021-01-06 20:23:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:13,088 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 20:23:13,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189102187] [2021-01-06 20:23:13,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:13,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:23:13,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621170000] [2021-01-06 20:23:13,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 20:23:13,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:13,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 20:23:13,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:23:13,091 INFO L87 Difference]: Start difference. First operand 38775 states and 53621 transitions. Second operand 9 states. [2021-01-06 20:23:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:17,669 INFO L93 Difference]: Finished difference Result 90373 states and 128849 transitions. [2021-01-06 20:23:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:17,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 164 [2021-01-06 20:23:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:17,752 INFO L225 Difference]: With dead ends: 90373 [2021-01-06 20:23:17,752 INFO L226 Difference]: Without dead ends: 72739 [2021-01-06 20:23:17,780 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 20:23:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72739 states. [2021-01-06 20:23:22,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72739 to 72737. [2021-01-06 20:23:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72737 states. [2021-01-06 20:23:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72737 states to 72737 states and 100839 transitions. [2021-01-06 20:23:22,870 INFO L78 Accepts]: Start accepts. Automaton has 72737 states and 100839 transitions. Word has length 164 [2021-01-06 20:23:22,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:22,870 INFO L481 AbstractCegarLoop]: Abstraction has 72737 states and 100839 transitions. [2021-01-06 20:23:22,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 20:23:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 72737 states and 100839 transitions. [2021-01-06 20:23:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 20:23:22,945 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:22,945 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] [2021-01-06 20:23:22,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:23:22,946 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:22,946 INFO L82 PathProgramCache]: Analyzing trace with hash 283259954, now seen corresponding path program 1 times [2021-01-06 20:23:22,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:22,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594051843] [2021-01-06 20:23:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:23,165 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 20:23:23,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594051843] [2021-01-06 20:23:23,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:23,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:23:23,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639073672] [2021-01-06 20:23:23,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:23:23,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:23,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:23:23,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:23,169 INFO L87 Difference]: Start difference. First operand 72737 states and 100839 transitions. Second operand 5 states. [2021-01-06 20:23:31,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:31,025 INFO L93 Difference]: Finished difference Result 127529 states and 187019 transitions. [2021-01-06 20:23:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:23:31,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2021-01-06 20:23:31,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:31,357 INFO L225 Difference]: With dead ends: 127529 [2021-01-06 20:23:31,357 INFO L226 Difference]: Without dead ends: 112743 [2021-01-06 20:23:31,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:23:31,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112743 states. [2021-01-06 20:23:38,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112743 to 83297. [2021-01-06 20:23:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83297 states. [2021-01-06 20:23:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83297 states to 83297 states and 117311 transitions. [2021-01-06 20:23:38,344 INFO L78 Accepts]: Start accepts. Automaton has 83297 states and 117311 transitions. Word has length 164 [2021-01-06 20:23:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:38,345 INFO L481 AbstractCegarLoop]: Abstraction has 83297 states and 117311 transitions. [2021-01-06 20:23:38,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:23:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 83297 states and 117311 transitions. [2021-01-06 20:23:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 20:23:38,383 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:38,383 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] [2021-01-06 20:23:38,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:23:38,383 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:38,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1114803063, now seen corresponding path program 1 times [2021-01-06 20:23:38,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:38,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958855649] [2021-01-06 20:23:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:38,766 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 20:23:38,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958855649] [2021-01-06 20:23:38,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:38,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:38,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656054822] [2021-01-06 20:23:38,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:38,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:38,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:38,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:38,775 INFO L87 Difference]: Start difference. First operand 83297 states and 117311 transitions. Second operand 4 states. [2021-01-06 20:23:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:44,929 INFO L93 Difference]: Finished difference Result 117305 states and 170165 transitions. [2021-01-06 20:23:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:44,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2021-01-06 20:23:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:45,041 INFO L225 Difference]: With dead ends: 117305 [2021-01-06 20:23:45,041 INFO L226 Difference]: Without dead ends: 83299 [2021-01-06 20:23:45,082 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 20:23:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83299 states. [2021-01-06 20:23:51,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83299 to 83297. [2021-01-06 20:23:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83297 states. [2021-01-06 20:23:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83297 states to 83297 states and 116703 transitions. [2021-01-06 20:23:52,072 INFO L78 Accepts]: Start accepts. Automaton has 83297 states and 116703 transitions. Word has length 164 [2021-01-06 20:23:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:23:52,073 INFO L481 AbstractCegarLoop]: Abstraction has 83297 states and 116703 transitions. [2021-01-06 20:23:52,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:23:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 83297 states and 116703 transitions. [2021-01-06 20:23:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-01-06 20:23:52,118 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:23:52,119 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] [2021-01-06 20:23:52,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 20:23:52,119 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:23:52,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:23:52,120 INFO L82 PathProgramCache]: Analyzing trace with hash 44269025, now seen corresponding path program 1 times [2021-01-06 20:23:52,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:23:52,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75521267] [2021-01-06 20:23:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:23:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:23:52,297 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 20:23:52,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75521267] [2021-01-06 20:23:52,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:23:52,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:23:52,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646157966] [2021-01-06 20:23:52,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:23:52,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:23:52,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:23:52,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:23:52,300 INFO L87 Difference]: Start difference. First operand 83297 states and 116703 transitions. Second operand 4 states. [2021-01-06 20:23:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:23:57,438 INFO L93 Difference]: Finished difference Result 146758 states and 205650 transitions. [2021-01-06 20:23:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:23:57,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2021-01-06 20:23:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:23:57,522 INFO L225 Difference]: With dead ends: 146758 [2021-01-06 20:23:57,522 INFO L226 Difference]: Without dead ends: 63531 [2021-01-06 20:23:57,577 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 20:23:57,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63531 states. [2021-01-06 20:24:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63531 to 63531. [2021-01-06 20:24:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63531 states. [2021-01-06 20:24:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63531 states to 63531 states and 89033 transitions. [2021-01-06 20:24:02,686 INFO L78 Accepts]: Start accepts. Automaton has 63531 states and 89033 transitions. Word has length 164 [2021-01-06 20:24:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:02,687 INFO L481 AbstractCegarLoop]: Abstraction has 63531 states and 89033 transitions. [2021-01-06 20:24:02,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:24:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 63531 states and 89033 transitions. [2021-01-06 20:24:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-06 20:24:02,722 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:02,722 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, 1] [2021-01-06 20:24:02,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 20:24:02,722 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:02,723 INFO L82 PathProgramCache]: Analyzing trace with hash -296065430, now seen corresponding path program 1 times [2021-01-06 20:24:02,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:02,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982553327] [2021-01-06 20:24:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:02,996 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 20:24:02,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982553327] [2021-01-06 20:24:02,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:02,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:24:02,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743844003] [2021-01-06 20:24:02,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:24:02,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:02,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:24:02,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:24:02,998 INFO L87 Difference]: Start difference. First operand 63531 states and 89033 transitions. Second operand 3 states. [2021-01-06 20:24:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:09,297 INFO L93 Difference]: Finished difference Result 115310 states and 167786 transitions. [2021-01-06 20:24:09,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:24:09,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2021-01-06 20:24:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:09,412 INFO L225 Difference]: With dead ends: 115310 [2021-01-06 20:24:09,412 INFO L226 Difference]: Without dead ends: 84213 [2021-01-06 20:24:09,444 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 20:24:09,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84213 states. [2021-01-06 20:24:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84213 to 79512. [2021-01-06 20:24:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79512 states. [2021-01-06 20:24:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79512 states to 79512 states and 112028 transitions. [2021-01-06 20:24:16,688 INFO L78 Accepts]: Start accepts. Automaton has 79512 states and 112028 transitions. Word has length 172 [2021-01-06 20:24:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:16,688 INFO L481 AbstractCegarLoop]: Abstraction has 79512 states and 112028 transitions. [2021-01-06 20:24:16,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:24:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 79512 states and 112028 transitions. [2021-01-06 20:24:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-06 20:24:16,719 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:16,719 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, 1] [2021-01-06 20:24:16,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 20:24:16,719 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:16,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2130569831, now seen corresponding path program 1 times [2021-01-06 20:24:16,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:16,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216854548] [2021-01-06 20:24:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:16,888 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 20:24:16,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216854548] [2021-01-06 20:24:16,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:16,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:24:16,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30876088] [2021-01-06 20:24:16,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:24:16,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:16,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:24:16,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:24:16,893 INFO L87 Difference]: Start difference. First operand 79512 states and 112028 transitions. Second operand 5 states. [2021-01-06 20:24:25,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:25,786 INFO L93 Difference]: Finished difference Result 129419 states and 188121 transitions. [2021-01-06 20:24:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:24:25,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2021-01-06 20:24:25,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:25,943 INFO L225 Difference]: With dead ends: 129419 [2021-01-06 20:24:25,943 INFO L226 Difference]: Without dead ends: 108723 [2021-01-06 20:24:25,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:24:26,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108723 states. [2021-01-06 20:24:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108723 to 82293. [2021-01-06 20:24:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82293 states. [2021-01-06 20:24:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82293 states to 82293 states and 116351 transitions. [2021-01-06 20:24:33,753 INFO L78 Accepts]: Start accepts. Automaton has 82293 states and 116351 transitions. Word has length 172 [2021-01-06 20:24:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:24:33,753 INFO L481 AbstractCegarLoop]: Abstraction has 82293 states and 116351 transitions. [2021-01-06 20:24:33,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:24:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 82293 states and 116351 transitions. [2021-01-06 20:24:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-06 20:24:33,784 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:24:33,784 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, 1] [2021-01-06 20:24:33,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 20:24:33,784 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:24:33,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:24:33,785 INFO L82 PathProgramCache]: Analyzing trace with hash -77091141, now seen corresponding path program 1 times [2021-01-06 20:24:33,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:24:33,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770316267] [2021-01-06 20:24:33,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:24:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:24:34,006 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 20:24:34,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770316267] [2021-01-06 20:24:34,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:24:34,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 20:24:34,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252508379] [2021-01-06 20:24:34,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 20:24:34,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:24:34,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 20:24:34,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:24:34,008 INFO L87 Difference]: Start difference. First operand 82293 states and 116351 transitions. Second operand 8 states. [2021-01-06 20:24:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:24:41,107 INFO L93 Difference]: Finished difference Result 133877 states and 194009 transitions. [2021-01-06 20:24:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:24:41,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2021-01-06 20:24:41,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:24:41,245 INFO L225 Difference]: With dead ends: 133877 [2021-01-06 20:24:41,245 INFO L226 Difference]: Without dead ends: 82295 [2021-01-06 20:24:41,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:24:41,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82295 states.