/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:52:01,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:52:01,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:52:01,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:52:01,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:52:01,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:52:01,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:52:01,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:52:01,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:52:01,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:52:01,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:52:01,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:52:01,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:52:01,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:52:01,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:52:01,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:52:01,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:52:01,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:52:01,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:52:01,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:52:01,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:52:01,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:52:01,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:52:01,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:52:01,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 20:52:01,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:52:01,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:52:01,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:52:01,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:52:01,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:52:01,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:52:01,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:52:01,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:52:01,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:52:01,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:52:01,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:52:01,615 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 20:52:01,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:52:01,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:52:01,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:52:01,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:52:01,646 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:52:01,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:52:01,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:52:01,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:52:01,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:52:01,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:52:01,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:52:01,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:52:01,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:52:01,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:52:01,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:52:01,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:52:01,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:52:01,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:52:01,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:52:01,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:52:01,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:52:01,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:52:01,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:52:01,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:52:01,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:52:01,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:52:02,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:52:02,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:52:02,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:52:02,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:52:02,091 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:52:02,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:52:02,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/975d65394/14e35b60692a49b593b00b3afd487128/FLAGadfceedda [2021-01-06 20:52:02,968 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:52:02,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:52:02,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/975d65394/14e35b60692a49b593b00b3afd487128/FLAGadfceedda [2021-01-06 20:52:03,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/975d65394/14e35b60692a49b593b00b3afd487128 [2021-01-06 20:52:03,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:52:03,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:52:03,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:52:03,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:52:03,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:52:03,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448134a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03, skipping insertion in model container [2021-01-06 20:52:03,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:52:03,355 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1394~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1470~0,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,] [2021-01-06 20:52:03,584 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[3703,3716] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:52:03,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:52:03,618 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1394~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1470~0,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,] [2021-01-06 20:52:03,656 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[3703,3716] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2021-01-06 20:52:03,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:52:03,695 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:52:03,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03 WrapperNode [2021-01-06 20:52:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:52:03,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:52:03,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:52:03,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:52:03,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:52:03,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:52:03,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:52:03,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:52:03,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (1/1) ... [2021-01-06 20:52:03,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:52:03,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:52:03,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:52:03,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:52:03,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (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 20:52:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:52:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:52:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:52:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:52:04,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:52:04,767 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:52:04,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:52:04 BoogieIcfgContainer [2021-01-06 20:52:04,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:52:04,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:52:04,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:52:04,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:52:04,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:52:03" (1/3) ... [2021-01-06 20:52:04,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:52:04, skipping insertion in model container [2021-01-06 20:52:04,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:52:03" (2/3) ... [2021-01-06 20:52:04,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:52:04, skipping insertion in model container [2021-01-06 20:52:04,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:52:04" (3/3) ... [2021-01-06 20:52:04,788 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:52:04,796 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:52:04,802 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:52:04,824 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:52:04,870 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:52:04,870 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:52:04,870 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:52:04,871 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:52:04,871 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:52:04,871 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:52:04,871 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:52:04,871 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:52:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2021-01-06 20:52:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-06 20:52:04,900 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:04,901 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] [2021-01-06 20:52:04,902 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:04,908 INFO L82 PathProgramCache]: Analyzing trace with hash -976687966, now seen corresponding path program 1 times [2021-01-06 20:52:04,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:04,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463440289] [2021-01-06 20:52:04,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:05,222 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 20:52:05,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463440289] [2021-01-06 20:52:05,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:05,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:52:05,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787399168] [2021-01-06 20:52:05,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:52:05,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:05,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:52:05,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:52:05,250 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 3 states. [2021-01-06 20:52:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:05,326 INFO L93 Difference]: Finished difference Result 146 states and 230 transitions. [2021-01-06 20:52:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:52:05,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-01-06 20:52:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:05,352 INFO L225 Difference]: With dead ends: 146 [2021-01-06 20:52:05,352 INFO L226 Difference]: Without dead ends: 95 [2021-01-06 20:52:05,358 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 20:52:05,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-01-06 20:52:05,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-01-06 20:52:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-01-06 20:52:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2021-01-06 20:52:05,454 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 37 [2021-01-06 20:52:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:05,454 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2021-01-06 20:52:05,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:52:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2021-01-06 20:52:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-06 20:52:05,457 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:05,457 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] [2021-01-06 20:52:05,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:52:05,458 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:05,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1572742836, now seen corresponding path program 1 times [2021-01-06 20:52:05,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:05,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475912409] [2021-01-06 20:52:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:05,662 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 20:52:05,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475912409] [2021-01-06 20:52:05,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:05,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:52:05,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985068954] [2021-01-06 20:52:05,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:52:05,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:05,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:52:05,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:52:05,666 INFO L87 Difference]: Start difference. First operand 93 states and 136 transitions. Second operand 3 states. [2021-01-06 20:52:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:05,747 INFO L93 Difference]: Finished difference Result 225 states and 344 transitions. [2021-01-06 20:52:05,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:52:05,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2021-01-06 20:52:05,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:05,751 INFO L225 Difference]: With dead ends: 225 [2021-01-06 20:52:05,751 INFO L226 Difference]: Without dead ends: 151 [2021-01-06 20:52:05,753 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 20:52:05,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-01-06 20:52:05,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2021-01-06 20:52:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2021-01-06 20:52:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 224 transitions. [2021-01-06 20:52:05,798 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 224 transitions. Word has length 38 [2021-01-06 20:52:05,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:05,802 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 224 transitions. [2021-01-06 20:52:05,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:52:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 224 transitions. [2021-01-06 20:52:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-06 20:52:05,804 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:05,804 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] [2021-01-06 20:52:05,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:52:05,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:05,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:05,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1624580866, now seen corresponding path program 1 times [2021-01-06 20:52:05,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:05,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535951869] [2021-01-06 20:52:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:52:05,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535951869] [2021-01-06 20:52:05,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:05,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:52:05,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093469306] [2021-01-06 20:52:05,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:05,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:05,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:05,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:05,996 INFO L87 Difference]: Start difference. First operand 149 states and 224 transitions. Second operand 5 states. [2021-01-06 20:52:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:06,238 INFO L93 Difference]: Finished difference Result 409 states and 634 transitions. [2021-01-06 20:52:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:06,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2021-01-06 20:52:06,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:06,242 INFO L225 Difference]: With dead ends: 409 [2021-01-06 20:52:06,242 INFO L226 Difference]: Without dead ends: 279 [2021-01-06 20:52:06,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:52:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-01-06 20:52:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2021-01-06 20:52:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2021-01-06 20:52:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 424 transitions. [2021-01-06 20:52:06,284 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 424 transitions. Word has length 39 [2021-01-06 20:52:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:06,284 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 424 transitions. [2021-01-06 20:52:06,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 424 transitions. [2021-01-06 20:52:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-06 20:52:06,286 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:06,286 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] [2021-01-06 20:52:06,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:52:06,286 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:06,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:06,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1223356835, now seen corresponding path program 1 times [2021-01-06 20:52:06,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:06,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633487520] [2021-01-06 20:52:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:06,372 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 20:52:06,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633487520] [2021-01-06 20:52:06,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:06,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:52:06,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155504011] [2021-01-06 20:52:06,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:06,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:06,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:06,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:06,375 INFO L87 Difference]: Start difference. First operand 277 states and 424 transitions. Second operand 5 states. [2021-01-06 20:52:06,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:06,569 INFO L93 Difference]: Finished difference Result 535 states and 829 transitions. [2021-01-06 20:52:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:06,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2021-01-06 20:52:06,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:06,573 INFO L225 Difference]: With dead ends: 535 [2021-01-06 20:52:06,573 INFO L226 Difference]: Without dead ends: 277 [2021-01-06 20:52:06,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:52:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-01-06 20:52:06,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2021-01-06 20:52:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2021-01-06 20:52:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 420 transitions. [2021-01-06 20:52:06,657 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 420 transitions. Word has length 39 [2021-01-06 20:52:06,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:06,657 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 420 transitions. [2021-01-06 20:52:06,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 420 transitions. [2021-01-06 20:52:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-06 20:52:06,659 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:06,659 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] [2021-01-06 20:52:06,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:52:06,660 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:06,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:06,661 INFO L82 PathProgramCache]: Analyzing trace with hash -618673698, now seen corresponding path program 1 times [2021-01-06 20:52:06,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:06,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812801532] [2021-01-06 20:52:06,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:06,782 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 20:52:06,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812801532] [2021-01-06 20:52:06,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:06,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:06,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759987124] [2021-01-06 20:52:06,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:06,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:06,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:06,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:06,786 INFO L87 Difference]: Start difference. First operand 277 states and 420 transitions. Second operand 5 states. [2021-01-06 20:52:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:06,977 INFO L93 Difference]: Finished difference Result 1309 states and 2024 transitions. [2021-01-06 20:52:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:06,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2021-01-06 20:52:06,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:06,984 INFO L225 Difference]: With dead ends: 1309 [2021-01-06 20:52:06,984 INFO L226 Difference]: Without dead ends: 1051 [2021-01-06 20:52:06,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 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 20:52:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2021-01-06 20:52:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 533. [2021-01-06 20:52:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2021-01-06 20:52:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 804 transitions. [2021-01-06 20:52:07,057 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 804 transitions. Word has length 39 [2021-01-06 20:52:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:07,058 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 804 transitions. [2021-01-06 20:52:07,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 804 transitions. [2021-01-06 20:52:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 20:52:07,060 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:07,060 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] [2021-01-06 20:52:07,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:52:07,061 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:07,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1533207258, now seen corresponding path program 1 times [2021-01-06 20:52:07,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:07,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369720909] [2021-01-06 20:52:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:07,130 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 20:52:07,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369720909] [2021-01-06 20:52:07,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:07,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:52:07,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203803712] [2021-01-06 20:52:07,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:52:07,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:07,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:52:07,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:52:07,135 INFO L87 Difference]: Start difference. First operand 533 states and 804 transitions. Second operand 3 states. [2021-01-06 20:52:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:07,243 INFO L93 Difference]: Finished difference Result 1261 states and 1902 transitions. [2021-01-06 20:52:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:52:07,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 20:52:07,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:07,250 INFO L225 Difference]: With dead ends: 1261 [2021-01-06 20:52:07,250 INFO L226 Difference]: Without dead ends: 747 [2021-01-06 20:52:07,251 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 20:52:07,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-01-06 20:52:07,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 737. [2021-01-06 20:52:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2021-01-06 20:52:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1088 transitions. [2021-01-06 20:52:07,337 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1088 transitions. Word has length 41 [2021-01-06 20:52:07,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:07,338 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1088 transitions. [2021-01-06 20:52:07,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:52:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1088 transitions. [2021-01-06 20:52:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 20:52:07,339 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:07,339 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] [2021-01-06 20:52:07,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:52:07,340 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1554209913, now seen corresponding path program 1 times [2021-01-06 20:52:07,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:07,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820898418] [2021-01-06 20:52:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:07,483 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 20:52:07,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820898418] [2021-01-06 20:52:07,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:07,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:07,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557637194] [2021-01-06 20:52:07,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:07,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:07,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:07,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:07,486 INFO L87 Difference]: Start difference. First operand 737 states and 1088 transitions. Second operand 5 states. [2021-01-06 20:52:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:07,705 INFO L93 Difference]: Finished difference Result 2073 states and 3102 transitions. [2021-01-06 20:52:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:07,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2021-01-06 20:52:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:07,714 INFO L225 Difference]: With dead ends: 2073 [2021-01-06 20:52:07,715 INFO L226 Difference]: Without dead ends: 1355 [2021-01-06 20:52:07,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 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 20:52:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2021-01-06 20:52:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 737. [2021-01-06 20:52:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2021-01-06 20:52:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1076 transitions. [2021-01-06 20:52:07,796 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1076 transitions. Word has length 41 [2021-01-06 20:52:07,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:07,796 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1076 transitions. [2021-01-06 20:52:07,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1076 transitions. [2021-01-06 20:52:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-06 20:52:07,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:07,797 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] [2021-01-06 20:52:07,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:52:07,798 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:07,798 INFO L82 PathProgramCache]: Analyzing trace with hash 933957624, now seen corresponding path program 1 times [2021-01-06 20:52:07,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:07,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231688877] [2021-01-06 20:52:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:07,907 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 20:52:07,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231688877] [2021-01-06 20:52:07,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:07,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:07,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550139510] [2021-01-06 20:52:07,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:07,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:07,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:07,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:07,910 INFO L87 Difference]: Start difference. First operand 737 states and 1076 transitions. Second operand 5 states. [2021-01-06 20:52:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:08,106 INFO L93 Difference]: Finished difference Result 1344 states and 1963 transitions. [2021-01-06 20:52:08,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:52:08,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-01-06 20:52:08,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:08,114 INFO L225 Difference]: With dead ends: 1344 [2021-01-06 20:52:08,115 INFO L226 Difference]: Without dead ends: 1342 [2021-01-06 20:52:08,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:52:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2021-01-06 20:52:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 769. [2021-01-06 20:52:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2021-01-06 20:52:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1104 transitions. [2021-01-06 20:52:08,207 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1104 transitions. Word has length 42 [2021-01-06 20:52:08,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:08,207 INFO L481 AbstractCegarLoop]: Abstraction has 769 states and 1104 transitions. [2021-01-06 20:52:08,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:08,207 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1104 transitions. [2021-01-06 20:52:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-06 20:52:08,208 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:08,208 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] [2021-01-06 20:52:08,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:52:08,209 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:08,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:08,209 INFO L82 PathProgramCache]: Analyzing trace with hash 883353381, now seen corresponding path program 1 times [2021-01-06 20:52:08,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:08,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246706964] [2021-01-06 20:52:08,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:08,250 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 20:52:08,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246706964] [2021-01-06 20:52:08,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:08,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:52:08,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378852180] [2021-01-06 20:52:08,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:52:08,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:08,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:52:08,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:52:08,253 INFO L87 Difference]: Start difference. First operand 769 states and 1104 transitions. Second operand 3 states. [2021-01-06 20:52:08,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:08,439 INFO L93 Difference]: Finished difference Result 1704 states and 2478 transitions. [2021-01-06 20:52:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:52:08,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-06 20:52:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:08,446 INFO L225 Difference]: With dead ends: 1704 [2021-01-06 20:52:08,447 INFO L226 Difference]: Without dead ends: 1157 [2021-01-06 20:52:08,448 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 20:52:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-01-06 20:52:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1155. [2021-01-06 20:52:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2021-01-06 20:52:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1650 transitions. [2021-01-06 20:52:08,604 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1650 transitions. Word has length 42 [2021-01-06 20:52:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:08,604 INFO L481 AbstractCegarLoop]: Abstraction has 1155 states and 1650 transitions. [2021-01-06 20:52:08,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:52:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1650 transitions. [2021-01-06 20:52:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 20:52:08,606 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:08,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:08,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:52:08,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1515661308, now seen corresponding path program 1 times [2021-01-06 20:52:08,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:08,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701735084] [2021-01-06 20:52:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-01-06 20:52:08,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701735084] [2021-01-06 20:52:08,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:08,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:08,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806635530] [2021-01-06 20:52:08,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:08,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:08,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:08,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:08,700 INFO L87 Difference]: Start difference. First operand 1155 states and 1650 transitions. Second operand 5 states. [2021-01-06 20:52:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:09,177 INFO L93 Difference]: Finished difference Result 4923 states and 7048 transitions. [2021-01-06 20:52:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:09,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2021-01-06 20:52:09,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:09,197 INFO L225 Difference]: With dead ends: 4923 [2021-01-06 20:52:09,198 INFO L226 Difference]: Without dead ends: 3789 [2021-01-06 20:52:09,201 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 20:52:09,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2021-01-06 20:52:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 2287. [2021-01-06 20:52:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2287 states. [2021-01-06 20:52:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3258 transitions. [2021-01-06 20:52:09,485 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3258 transitions. Word has length 61 [2021-01-06 20:52:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:09,485 INFO L481 AbstractCegarLoop]: Abstraction has 2287 states and 3258 transitions. [2021-01-06 20:52:09,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3258 transitions. [2021-01-06 20:52:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 20:52:09,487 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:09,487 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:09,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:52:09,487 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:09,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:09,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1625359882, now seen corresponding path program 1 times [2021-01-06 20:52:09,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:09,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516576775] [2021-01-06 20:52:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-01-06 20:52:09,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516576775] [2021-01-06 20:52:09,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:09,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:09,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113145528] [2021-01-06 20:52:09,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:09,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:09,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:09,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:09,583 INFO L87 Difference]: Start difference. First operand 2287 states and 3258 transitions. Second operand 5 states. [2021-01-06 20:52:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:10,225 INFO L93 Difference]: Finished difference Result 6055 states and 8656 transitions. [2021-01-06 20:52:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:10,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2021-01-06 20:52:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:10,250 INFO L225 Difference]: With dead ends: 6055 [2021-01-06 20:52:10,251 INFO L226 Difference]: Without dead ends: 4921 [2021-01-06 20:52:10,254 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 20:52:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states. [2021-01-06 20:52:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 3987. [2021-01-06 20:52:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3987 states. [2021-01-06 20:52:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5652 transitions. [2021-01-06 20:52:10,728 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5652 transitions. Word has length 61 [2021-01-06 20:52:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:10,728 INFO L481 AbstractCegarLoop]: Abstraction has 3987 states and 5652 transitions. [2021-01-06 20:52:10,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5652 transitions. [2021-01-06 20:52:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 20:52:10,730 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:10,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:10,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:52:10,731 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:10,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:10,731 INFO L82 PathProgramCache]: Analyzing trace with hash -2114297975, now seen corresponding path program 1 times [2021-01-06 20:52:10,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:10,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105006185] [2021-01-06 20:52:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 20:52:10,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105006185] [2021-01-06 20:52:10,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:10,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:52:10,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645148413] [2021-01-06 20:52:10,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:52:10,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:10,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:52:10,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:52:10,831 INFO L87 Difference]: Start difference. First operand 3987 states and 5652 transitions. Second operand 5 states. [2021-01-06 20:52:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:11,623 INFO L93 Difference]: Finished difference Result 6983 states and 9988 transitions. [2021-01-06 20:52:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:52:11,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-01-06 20:52:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:11,655 INFO L225 Difference]: With dead ends: 6983 [2021-01-06 20:52:11,655 INFO L226 Difference]: Without dead ends: 6053 [2021-01-06 20:52:11,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 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 20:52:11,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6053 states. [2021-01-06 20:52:12,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6053 to 4915. [2021-01-06 20:52:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4915 states. [2021-01-06 20:52:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 6988 transitions. [2021-01-06 20:52:12,320 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 6988 transitions. Word has length 62 [2021-01-06 20:52:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:12,320 INFO L481 AbstractCegarLoop]: Abstraction has 4915 states and 6988 transitions. [2021-01-06 20:52:12,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:52:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 6988 transitions. [2021-01-06 20:52:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 20:52:12,322 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:12,322 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:12,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:52:12,323 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:12,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:12,324 INFO L82 PathProgramCache]: Analyzing trace with hash -344216809, now seen corresponding path program 1 times [2021-01-06 20:52:12,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:12,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846325633] [2021-01-06 20:52:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:52:12,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846325633] [2021-01-06 20:52:12,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:52:12,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:52:12,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80010125] [2021-01-06 20:52:12,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:52:12,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:12,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:52:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:52:12,377 INFO L87 Difference]: Start difference. First operand 4915 states and 6988 transitions. Second operand 3 states. [2021-01-06 20:52:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:12,919 INFO L93 Difference]: Finished difference Result 9121 states and 13033 transitions. [2021-01-06 20:52:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:52:12,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 20:52:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:12,967 INFO L225 Difference]: With dead ends: 9121 [2021-01-06 20:52:12,968 INFO L226 Difference]: Without dead ends: 4227 [2021-01-06 20:52:12,980 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 20:52:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2021-01-06 20:52:13,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4225. [2021-01-06 20:52:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4225 states. [2021-01-06 20:52:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 4225 states and 5992 transitions. [2021-01-06 20:52:13,594 INFO L78 Accepts]: Start accepts. Automaton has 4225 states and 5992 transitions. Word has length 63 [2021-01-06 20:52:13,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:13,595 INFO L481 AbstractCegarLoop]: Abstraction has 4225 states and 5992 transitions. [2021-01-06 20:52:13,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:52:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4225 states and 5992 transitions. [2021-01-06 20:52:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 20:52:13,597 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:13,597 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:13,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:52:13,597 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:13,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:13,598 INFO L82 PathProgramCache]: Analyzing trace with hash -2058333971, now seen corresponding path program 1 times [2021-01-06 20:52:13,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:13,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924975437] [2021-01-06 20:52:13,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:52:13,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924975437] [2021-01-06 20:52:13,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43673938] [2021-01-06 20:52:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 20:52:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:14,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 20:52:14,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 20:52:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 20:52:14,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 20:52:14,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 12 [2021-01-06 20:52:14,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364563846] [2021-01-06 20:52:14,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 20:52:14,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 20:52:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-01-06 20:52:14,410 INFO L87 Difference]: Start difference. First operand 4225 states and 5992 transitions. Second operand 12 states. [2021-01-06 20:52:15,091 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2021-01-06 20:52:20,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:52:20,984 INFO L93 Difference]: Finished difference Result 28447 states and 39447 transitions. [2021-01-06 20:52:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-01-06 20:52:20,985 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2021-01-06 20:52:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:52:21,042 INFO L225 Difference]: With dead ends: 28447 [2021-01-06 20:52:21,042 INFO L226 Difference]: Without dead ends: 24257 [2021-01-06 20:52:21,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=724, Invalid=2816, Unknown=0, NotChecked=0, Total=3540 [2021-01-06 20:52:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24257 states. [2021-01-06 20:52:23,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24257 to 11713. [2021-01-06 20:52:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11713 states. [2021-01-06 20:52:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11713 states to 11713 states and 15904 transitions. [2021-01-06 20:52:23,227 INFO L78 Accepts]: Start accepts. Automaton has 11713 states and 15904 transitions. Word has length 63 [2021-01-06 20:52:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:52:23,228 INFO L481 AbstractCegarLoop]: Abstraction has 11713 states and 15904 transitions. [2021-01-06 20:52:23,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 20:52:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 11713 states and 15904 transitions. [2021-01-06 20:52:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 20:52:23,230 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:52:23,231 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:23,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 20:52:23,445 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:52:23,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:52:23,445 INFO L82 PathProgramCache]: Analyzing trace with hash 985811417, now seen corresponding path program 1 times [2021-01-06 20:52:23,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:52:23,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528783774] [2021-01-06 20:52:23,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:52:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:52:23,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528783774] [2021-01-06 20:52:23,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545390902] [2021-01-06 20:52:23,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 20:52:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:52:23,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 24 conjunts are in the unsatisfiable core [2021-01-06 20:52:23,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 20:52:24,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 20:52:24,327 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-01-06 20:52:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:52:24,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 20:52:24,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 20 [2021-01-06 20:52:24,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977406104] [2021-01-06 20:52:24,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-01-06 20:52:24,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:52:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-01-06 20:52:24,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2021-01-06 20:52:24,927 INFO L87 Difference]: Start difference. First operand 11713 states and 15904 transitions. Second operand 20 states. [2021-01-06 20:52:25,568 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-01-06 20:52:25,950 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-01-06 20:52:26,125 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-01-06 20:52:26,480 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-01-06 20:52:26,917 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-01-06 20:52:27,151 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-01-06 20:52:27,701 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2021-01-06 20:52:27,990 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-01-06 20:52:28,629 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2021-01-06 20:52:29,221 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-01-06 20:52:29,516 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-01-06 20:52:30,120 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2021-01-06 20:52:30,625 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-01-06 20:52:31,109 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-01-06 20:52:31,656 WARN L197 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2021-01-06 20:52:31,944 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:52:32,193 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-01-06 20:52:32,657 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-01-06 20:52:33,176 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2021-01-06 20:52:33,447 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-01-06 20:52:33,728 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-01-06 20:52:34,109 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:52:34,383 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 20:52:35,119 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-01-06 20:52:35,719 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-01-06 20:52:36,346 WARN L197 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2021-01-06 20:52:36,952 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2021-01-06 20:52:37,243 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-01-06 20:52:37,572 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-01-06 20:52:38,174 WARN L197 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-01-06 20:52:38,875 WARN L197 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2021-01-06 20:52:39,216 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-01-06 20:52:39,538 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-01-06 20:52:40,178 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-01-06 20:52:40,547 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-01-06 20:52:41,148 WARN L197 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-01-06 20:52:41,839 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-01-06 20:52:42,687 WARN L197 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-01-06 20:52:43,424 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2021-01-06 20:52:44,331 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-01-06 20:52:44,633 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-01-06 20:52:44,927 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-01-06 20:52:45,198 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:52:45,536 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-01-06 20:52:45,921 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-01-06 20:52:46,601 WARN L197 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2021-01-06 20:52:46,906 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-01-06 20:52:47,219 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-01-06 20:52:47,542 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-01-06 20:52:47,825 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:52:48,162 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-01-06 20:52:48,503 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-01-06 20:52:48,866 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 20:52:49,231 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-01-06 20:52:49,992 WARN L197 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-01-06 20:52:50,341 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-01-06 20:52:50,985 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-01-06 20:52:51,352 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-01-06 20:52:51,732 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-01-06 20:52:52,084 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 20:52:52,421 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 20:52:53,183 WARN L197 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2021-01-06 20:52:53,831 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-01-06 20:52:54,643 WARN L197 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-01-06 20:52:55,332 WARN L197 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2021-01-06 20:52:55,753 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-01-06 20:52:56,023 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 20:52:56,785 WARN L197 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-01-06 20:52:57,519 WARN L197 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2021-01-06 20:52:58,137 WARN L197 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-01-06 20:52:58,442 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:52:58,830 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:52:59,210 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 20:52:59,572 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-01-06 20:53:00,016 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-01-06 20:53:00,763 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-01-06 20:53:01,166 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 20:53:01,501 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 20:53:01,844 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 20:53:02,293 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-01-06 20:53:02,604 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-06 20:53:03,174 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-01-06 20:53:03,624 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-01-06 20:53:04,200 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-01-06 20:53:04,431 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-06 20:53:04,948 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:53:05,385 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-01-06 20:53:06,052 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:06,298 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 20:53:06,600 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-06 20:53:07,025 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:53:07,441 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:53:08,782 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-06 20:53:09,630 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-01-06 20:53:10,102 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:53:10,578 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-01-06 20:53:11,565 WARN L197 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2021-01-06 20:53:12,502 WARN L197 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-01-06 20:53:13,069 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:13,969 WARN L197 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2021-01-06 20:53:14,285 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 20:53:14,654 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-06 20:53:15,820 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-01-06 20:53:16,807 WARN L197 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2021-01-06 20:53:17,216 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:53:17,656 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:53:19,423 WARN L197 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-01-06 20:53:20,819 WARN L197 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2021-01-06 20:53:21,774 WARN L197 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-01-06 20:53:22,913 WARN L197 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-01-06 20:53:23,442 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-01-06 20:53:24,710 WARN L197 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-01-06 20:53:26,001 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2021-01-06 20:53:26,645 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-01-06 20:53:27,655 WARN L197 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-01-06 20:53:28,806 WARN L197 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-01-06 20:53:29,536 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:53:30,672 WARN L197 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-01-06 20:53:31,980 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-01-06 20:53:32,976 WARN L197 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-01-06 20:53:33,733 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:34,292 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-01-06 20:53:34,752 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-06 20:53:35,793 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-01-06 20:53:36,572 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-01-06 20:53:36,995 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 20:53:37,455 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:53:38,090 WARN L197 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:53:38,472 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2021-01-06 20:53:39,162 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-01-06 20:53:39,583 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:53:39,942 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 20:53:40,475 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 20:53:41,273 WARN L197 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:41,874 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-01-06 20:53:42,549 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:53:43,362 WARN L197 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-01-06 20:53:43,726 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-01-06 20:53:44,377 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:53:44,609 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-01-06 20:53:44,963 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 20:53:45,466 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:53:45,901 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-06 20:53:46,389 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:53:47,305 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-01-06 20:53:47,986 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:53:48,837 WARN L197 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:49,269 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:53:49,751 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 20:53:50,445 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 20:53:51,030 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-01-06 20:53:51,761 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:53:52,592 WARN L197 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:53:53,005 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:53:53,445 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:53:54,205 WARN L197 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-01-06 20:53:54,746 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-06 20:53:55,271 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:53:55,674 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-06 20:53:56,103 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:53:57,377 WARN L197 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-01-06 20:53:58,584 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-01-06 20:53:58,841 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:53:59,220 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:54:00,064 WARN L197 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:54:01,147 WARN L197 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-01-06 20:54:01,717 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:54:02,350 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:54:02,997 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-06 20:54:03,984 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 20:54:04,640 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:54:04,973 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-06 20:54:05,384 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:54:06,317 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-01-06 20:54:07,200 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2021-01-06 20:54:08,081 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:54:08,710 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 20:54:10,405 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-01-06 20:54:11,473 WARN L197 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-01-06 20:54:12,612 WARN L197 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-01-06 20:54:13,976 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-01-06 20:54:14,682 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-01-06 20:54:15,286 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-06 20:54:15,804 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-06 20:54:17,634 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-01-06 20:54:19,552 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2021-01-06 20:54:20,806 WARN L197 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-01-06 20:54:21,106 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:54:22,099 WARN L197 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-01-06 20:54:22,889 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-06 20:54:26,230 WARN L197 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:54:26,961 WARN L197 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 20:54:27,995 WARN L197 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-01-06 20:54:28,953 WARN L197 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-01-06 20:54:29,451 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 20:54:29,893 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-06 20:54:31,492 WARN L197 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-01-06 20:54:33,112 WARN L197 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-01-06 20:54:33,854 WARN L197 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:54:34,130 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-06 20:54:34,706 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 20:54:35,784 WARN L197 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-01-06 20:54:36,291 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:54:36,577 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-06 20:54:37,034 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:54:37,597 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:54:38,650 WARN L197 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-01-06 20:54:39,638 WARN L197 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 20:54:40,749 WARN L197 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:54:41,699 WARN L197 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 20:54:42,557 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 20:54:43,291 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:54:44,056 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-06 20:54:44,785 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:54:45,408 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-01-06 20:54:46,545 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-01-06 20:54:47,740 WARN L197 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:54:48,371 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:54:49,523 WARN L197 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-01-06 20:54:50,604 WARN L197 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-01-06 20:54:51,488 WARN L197 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 20:54:52,796 WARN L197 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-01-06 20:54:54,134 WARN L197 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:54:55,416 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 105 [2021-01-06 20:54:56,940 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-01-06 20:54:57,581 WARN L197 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 20:54:59,066 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 117 [2021-01-06 20:55:00,191 WARN L197 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-01-06 20:55:01,247 WARN L197 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 20:55:01,967 WARN L197 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:55:03,348 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 20:55:03,823 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:55:04,519 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:55:05,904 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 20:55:07,603 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-01-06 20:55:08,503 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2021-01-06 20:55:08,910 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-06 20:55:09,680 WARN L197 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 20:55:11,314 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-01-06 20:55:11,815 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-06 20:55:13,188 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-01-06 20:55:13,965 WARN L197 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 20:55:14,326 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:55:15,061 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2021-01-06 20:55:16,313 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-01-06 20:55:16,873 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-01-06 20:55:17,679 WARN L197 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-01-06 20:55:18,452 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-01-06 20:55:19,162 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:55:19,569 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-06 20:55:20,204 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 20:55:21,412 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:55:22,963 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-01-06 20:55:23,699 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-06 20:55:24,434 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-06 20:55:28,104 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:55:30,558 WARN L197 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-01-06 20:55:31,911 WARN L197 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:55:33,204 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-01-06 20:55:33,715 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-01-06 20:55:40,118 WARN L197 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-01-06 20:55:41,945 WARN L197 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-01-06 20:55:43,254 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:55:44,446 WARN L197 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-01-06 20:55:45,513 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-01-06 20:55:46,398 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:55:47,906 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-06 20:55:49,205 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-01-06 20:55:51,190 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2021-01-06 20:55:52,502 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-01-06 20:55:53,710 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-01-06 20:55:55,825 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2021-01-06 20:55:59,633 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2021-01-06 20:56:03,888 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2021-01-06 20:56:05,923 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2021-01-06 20:56:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:56:08,634 INFO L93 Difference]: Finished difference Result 195900 states and 267885 transitions. [2021-01-06 20:56:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2021-01-06 20:56:08,639 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 64 [2021-01-06 20:56:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:56:09,432 INFO L225 Difference]: With dead ends: 195900 [2021-01-06 20:56:09,432 INFO L226 Difference]: Without dead ends: 185678 [2021-01-06 20:56:09,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48526 ImplicationChecksByTransitivity, 176.3s TimeCoverageRelationStatistics Valid=12880, Invalid=87926, Unknown=0, NotChecked=0, Total=100806 [2021-01-06 20:56:09,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185678 states.