/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:02:24,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:02:24,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:02:24,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:02:24,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:02:24,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:02:24,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:02:24,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:02:24,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:02:24,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:02:24,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:02:24,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:02:24,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:02:24,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:02:24,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:02:24,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:02:24,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:02:24,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:02:24,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:02:24,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:02:24,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:02:24,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:02:24,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:02:24,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:02:24,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:02:24,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:02:24,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:02:24,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:02:24,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:02:24,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:02:24,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:02:24,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:02:24,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:02:24,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:02:24,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:02:24,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:02:24,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:02:24,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:02:24,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:02:24,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:02:24,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:02:24,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:02:24,538 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:02:24,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:02:24,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:02:24,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:02:24,540 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:02:24,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:02:24,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:02:24,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:02:24,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:02:24,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:02:24,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:02:24,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:02:24,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:02:24,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:02:24,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:02:24,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:02:24,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:02:24,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:02:24,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:02:24,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:02:24,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:02:24,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:02:24,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:02:24,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:02:24,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:02:24,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:02:24,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:02:24,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:02:24,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:02:24,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:02:24,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:02:24,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:02:24,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:02:24,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:02:24,877 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:02:24,878 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label43.c [2020-10-14 21:02:24,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50eccd61f/cb00f740f7d640bebd7218a57b48c747/FLAGac2741ba7 [2020-10-14 21:02:25,508 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:02:25,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label43.c [2020-10-14 21:02:25,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50eccd61f/cb00f740f7d640bebd7218a57b48c747/FLAGac2741ba7 [2020-10-14 21:02:25,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50eccd61f/cb00f740f7d640bebd7218a57b48c747 [2020-10-14 21:02:25,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:02:25,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:02:25,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:02:25,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:02:25,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:02:25,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:02:25" (1/1) ... [2020-10-14 21:02:25,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f216bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:25, skipping insertion in model container [2020-10-14 21:02:25,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:02:25" (1/1) ... [2020-10-14 21:02:25,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:02:25,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:02:26,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:02:26,455 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:02:26,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:02:26,721 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:02:26,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26 WrapperNode [2020-10-14 21:02:26,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:02:26,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:02:26,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:02:26,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:02:26,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... [2020-10-14 21:02:26,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:02:26,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:02:26,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:02:26,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:02:26,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:02:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:02:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:02:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:02:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:02:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:02:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:02:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:02:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:02:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:02:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:02:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:02:28,712 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:02:28,713 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:02:28,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:02:28 BoogieIcfgContainer [2020-10-14 21:02:28,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:02:28,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:02:28,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:02:28,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:02:28,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:02:25" (1/3) ... [2020-10-14 21:02:28,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee13105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:02:28, skipping insertion in model container [2020-10-14 21:02:28,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:02:26" (2/3) ... [2020-10-14 21:02:28,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee13105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:02:28, skipping insertion in model container [2020-10-14 21:02:28,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:02:28" (3/3) ... [2020-10-14 21:02:28,728 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label43.c [2020-10-14 21:02:28,739 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:02:28,747 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:02:28,760 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:02:28,786 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:02:28,786 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:02:28,787 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:02:28,787 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:02:28,787 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:02:28,787 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:02:28,788 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:02:28,788 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:02:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:02:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-14 21:02:28,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:28,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:28,822 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:28,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:28,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1328885261, now seen corresponding path program 1 times [2020-10-14 21:02:28,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:28,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83746632] [2020-10-14 21:02:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 21:02:29,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 21:02:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:02:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:29,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:29,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:29,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:02:29,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:29,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:02:29,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83746632] [2020-10-14 21:02:29,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:02:29,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:02:29,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160515251] [2020-10-14 21:02:29,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:02:29,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:29,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:02:29,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:02:29,467 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-14 21:02:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:32,396 INFO L93 Difference]: Finished difference Result 998 states and 1793 transitions. [2020-10-14 21:02:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:02:32,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-14 21:02:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:32,440 INFO L225 Difference]: With dead ends: 998 [2020-10-14 21:02:32,441 INFO L226 Difference]: Without dead ends: 638 [2020-10-14 21:02:32,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-10-14 21:02:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 621. [2020-10-14 21:02:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-14 21:02:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 950 transitions. [2020-10-14 21:02:32,554 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 950 transitions. Word has length 18 [2020-10-14 21:02:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:32,555 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 950 transitions. [2020-10-14 21:02:32,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:02:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 950 transitions. [2020-10-14 21:02:32,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 21:02:32,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:32,560 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:32,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:02:32,561 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:32,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:32,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1087943286, now seen corresponding path program 1 times [2020-10-14 21:02:32,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:32,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094076976] [2020-10-14 21:02:32,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:33,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 21:02:33,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-14 21:02:33,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:33,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:02:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:33,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:02:33,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:33,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:33,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:33,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:02:33,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 21:02:33,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:33,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:33,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:02:33,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 21:02:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:02:33,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094076976] [2020-10-14 21:02:33,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:02:33,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:02:33,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076311562] [2020-10-14 21:02:33,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:33,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:33,888 INFO L87 Difference]: Start difference. First operand 621 states and 950 transitions. Second operand 7 states. [2020-10-14 21:02:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:36,407 INFO L93 Difference]: Finished difference Result 1858 states and 2942 transitions. [2020-10-14 21:02:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:02:36,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-14 21:02:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:36,417 INFO L225 Difference]: With dead ends: 1858 [2020-10-14 21:02:36,417 INFO L226 Difference]: Without dead ends: 1243 [2020-10-14 21:02:36,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-10-14 21:02:36,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1217. [2020-10-14 21:02:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-10-14 21:02:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1704 transitions. [2020-10-14 21:02:36,490 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1704 transitions. Word has length 88 [2020-10-14 21:02:36,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:36,491 INFO L479 AbstractCegarLoop]: Abstraction has 1217 states and 1704 transitions. [2020-10-14 21:02:36,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1704 transitions. [2020-10-14 21:02:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 21:02:36,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:36,495 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:36,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:02:36,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash 492940226, now seen corresponding path program 1 times [2020-10-14 21:02:36,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:36,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599581427] [2020-10-14 21:02:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 21:02:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-14 21:02:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:37,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:02:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:37,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:37,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:37,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:37,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:37,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:02:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:37,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:37,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:37,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:37,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:02:37,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:37,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 21:02:37,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:37,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:02:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:02:37,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599581427] [2020-10-14 21:02:37,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:02:37,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:02:37,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045861101] [2020-10-14 21:02:37,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:37,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:37,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:37,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:37,578 INFO L87 Difference]: Start difference. First operand 1217 states and 1704 transitions. Second operand 7 states. [2020-10-14 21:02:40,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:40,027 INFO L93 Difference]: Finished difference Result 2922 states and 4476 transitions. [2020-10-14 21:02:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:02:40,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-10-14 21:02:40,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:40,047 INFO L225 Difference]: With dead ends: 2922 [2020-10-14 21:02:40,047 INFO L226 Difference]: Without dead ends: 1711 [2020-10-14 21:02:40,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:02:40,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2020-10-14 21:02:40,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1615. [2020-10-14 21:02:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1615 states. [2020-10-14 21:02:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2172 transitions. [2020-10-14 21:02:40,151 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2172 transitions. Word has length 98 [2020-10-14 21:02:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:40,152 INFO L479 AbstractCegarLoop]: Abstraction has 1615 states and 2172 transitions. [2020-10-14 21:02:40,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2172 transitions. [2020-10-14 21:02:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 21:02:40,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:40,164 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:40,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:02:40,168 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:40,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:40,169 INFO L82 PathProgramCache]: Analyzing trace with hash 610166376, now seen corresponding path program 1 times [2020-10-14 21:02:40,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:40,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981827784] [2020-10-14 21:02:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:45,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:45,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 21:02:45,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 21:02:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:45,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:02:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:02:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:45,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:45,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:45,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:45,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:02:45,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:45,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:45,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:45,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:02:45,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:45,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 21:02:45,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:45,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:45,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:02:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:02:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:45,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:45,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:02:45,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:02:45,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:45,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:02:45,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:45,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981827784] [2020-10-14 21:02:45,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:45,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:45,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166723412] [2020-10-14 21:02:45,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:45,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:45,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:45,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:45,776 INFO L87 Difference]: Start difference. First operand 1615 states and 2172 transitions. Second operand 7 states. [2020-10-14 21:02:48,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:48,244 INFO L93 Difference]: Finished difference Result 3469 states and 5035 transitions. [2020-10-14 21:02:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:02:48,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2020-10-14 21:02:48,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:48,269 INFO L225 Difference]: With dead ends: 3469 [2020-10-14 21:02:48,269 INFO L226 Difference]: Without dead ends: 2238 [2020-10-14 21:02:48,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-14 21:02:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2206. [2020-10-14 21:02:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-10-14 21:02:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 3006 transitions. [2020-10-14 21:02:48,333 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 3006 transitions. Word has length 161 [2020-10-14 21:02:48,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:48,334 INFO L479 AbstractCegarLoop]: Abstraction has 2206 states and 3006 transitions. [2020-10-14 21:02:48,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 3006 transitions. [2020-10-14 21:02:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-14 21:02:48,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:48,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:02:48,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:02:48,338 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:48,338 INFO L82 PathProgramCache]: Analyzing trace with hash -942368460, now seen corresponding path program 1 times [2020-10-14 21:02:48,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:48,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320983623] [2020-10-14 21:02:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:48,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:48,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:48,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:50,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:53,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:53,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:02:53,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:02:53,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4844 [2020-10-14 21:02:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:53,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:02:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 21:02:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:53,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:53,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:53,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:02:53,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:53,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:53,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:53,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:53,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:02:53,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:53,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:02:53,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:53,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:53,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:02:53,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:02:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:53,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:53,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:53,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:02:53,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:53,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 21:02:53,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:53,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:53,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:02:53,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:53,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320983623] [2020-10-14 21:02:53,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:53,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:53,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299927347] [2020-10-14 21:02:53,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:53,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:53,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:53,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:53,612 INFO L87 Difference]: Start difference. First operand 2206 states and 3006 transitions. Second operand 7 states. [2020-10-14 21:02:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:57,238 INFO L93 Difference]: Finished difference Result 5862 states and 8896 transitions. [2020-10-14 21:02:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:57,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-10-14 21:02:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:57,281 INFO L225 Difference]: With dead ends: 5862 [2020-10-14 21:02:57,281 INFO L226 Difference]: Without dead ends: 4040 [2020-10-14 21:02:57,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2020-10-14 21:02:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 3777. [2020-10-14 21:02:57,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-10-14 21:02:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 5191 transitions. [2020-10-14 21:02:57,425 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 5191 transitions. Word has length 171 [2020-10-14 21:02:57,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:57,425 INFO L479 AbstractCegarLoop]: Abstraction has 3777 states and 5191 transitions. [2020-10-14 21:02:57,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 5191 transitions. [2020-10-14 21:02:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-14 21:02:57,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:57,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:02:57,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:02:57,430 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:57,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash -155412727, now seen corresponding path program 1 times [2020-10-14 21:02:57,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:57,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625584013] [2020-10-14 21:02:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:57,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:58,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:59,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:59,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2424 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:02:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:59,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:59,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:59,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:59,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:02:59,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:59,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:00,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:00,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:00,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:03:00,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 21:03:00,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:00,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:03:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:03:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 21:03:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:03:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:03:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:00,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 21:03:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 22 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:03:00,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625584013] [2020-10-14 21:03:00,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:00,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:03:00,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026928261] [2020-10-14 21:03:00,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:03:00,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:00,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:03:00,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:03:00,471 INFO L87 Difference]: Start difference. First operand 3777 states and 5191 transitions. Second operand 7 states. [2020-10-14 21:03:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:02,748 INFO L93 Difference]: Finished difference Result 7027 states and 9866 transitions. [2020-10-14 21:03:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:03:02,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-14 21:03:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:02,767 INFO L225 Difference]: With dead ends: 7027 [2020-10-14 21:03:02,767 INFO L226 Difference]: Without dead ends: 4198 [2020-10-14 21:03:02,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:03:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2020-10-14 21:03:02,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 4165. [2020-10-14 21:03:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4165 states. [2020-10-14 21:03:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5610 transitions. [2020-10-14 21:03:02,877 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5610 transitions. Word has length 182 [2020-10-14 21:03:02,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:02,878 INFO L479 AbstractCegarLoop]: Abstraction has 4165 states and 5610 transitions. [2020-10-14 21:03:02,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:03:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5610 transitions. [2020-10-14 21:03:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 21:03:02,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:02,882 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:03:02,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:03:02,882 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:02,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:02,883 INFO L82 PathProgramCache]: Analyzing trace with hash 432741599, now seen corresponding path program 1 times [2020-10-14 21:03:02,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:02,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780075955] [2020-10-14 21:03:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:03,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:03,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:03,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 21:03:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:03:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-14 21:03:03,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:03,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:03:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:03:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:03:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:03,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:03,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:03:03,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:03:03,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:03,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:03:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:03,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:04,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:04,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:03:04,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 21:03:04,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:04,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:03:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:03:04,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:03:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:04,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:03:04,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 21:03:04,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:04,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:03:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:03:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:03:04,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780075955] [2020-10-14 21:03:04,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:04,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:03:04,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692845239] [2020-10-14 21:03:04,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:03:04,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:04,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:03:04,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:03:04,518 INFO L87 Difference]: Start difference. First operand 4165 states and 5610 transitions. Second operand 7 states. [2020-10-14 21:03:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:07,140 INFO L93 Difference]: Finished difference Result 9180 states and 12763 transitions. [2020-10-14 21:03:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:03:07,141 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-14 21:03:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:07,166 INFO L225 Difference]: With dead ends: 9180 [2020-10-14 21:03:07,166 INFO L226 Difference]: Without dead ends: 5399 [2020-10-14 21:03:07,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:03:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2020-10-14 21:03:07,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5385. [2020-10-14 21:03:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5385 states. [2020-10-14 21:03:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5385 states to 5385 states and 7264 transitions. [2020-10-14 21:03:07,306 INFO L78 Accepts]: Start accepts. Automaton has 5385 states and 7264 transitions. Word has length 219 [2020-10-14 21:03:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:07,307 INFO L479 AbstractCegarLoop]: Abstraction has 5385 states and 7264 transitions. [2020-10-14 21:03:07,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:03:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5385 states and 7264 transitions. [2020-10-14 21:03:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 21:03:07,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:07,311 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:03:07,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:03:07,312 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:07,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:07,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1005755404, now seen corresponding path program 1 times [2020-10-14 21:03:07,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:07,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81387399] [2020-10-14 21:03:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:07,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:08,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:08,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 21:03:08,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:03:08,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-14 21:03:08,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:08,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:03:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:03:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:08,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:03:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:08,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:08,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:03:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:08,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:08,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:03:08,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 21:03:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:08,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:03:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:03:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:03:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:08,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:03:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 21:03:08,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:08,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 21:03:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:03:08,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81387399] [2020-10-14 21:03:08,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:08,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:03:08,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538095799] [2020-10-14 21:03:08,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:03:08,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:08,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:03:08,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:03:08,703 INFO L87 Difference]: Start difference. First operand 5385 states and 7264 transitions. Second operand 7 states. [2020-10-14 21:03:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:11,313 INFO L93 Difference]: Finished difference Result 14263 states and 20050 transitions. [2020-10-14 21:03:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:03:11,314 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 21:03:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:11,351 INFO L225 Difference]: With dead ends: 14263 [2020-10-14 21:03:11,352 INFO L226 Difference]: Without dead ends: 9262 [2020-10-14 21:03:11,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:03:11,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9262 states. [2020-10-14 21:03:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9262 to 9062. [2020-10-14 21:03:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9062 states. [2020-10-14 21:03:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 12442 transitions. [2020-10-14 21:03:11,598 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 12442 transitions. Word has length 235 [2020-10-14 21:03:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:11,599 INFO L479 AbstractCegarLoop]: Abstraction has 9062 states and 12442 transitions. [2020-10-14 21:03:11,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:03:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 12442 transitions. [2020-10-14 21:03:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 21:03:11,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:11,607 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:03:11,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:03:11,607 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:11,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:11,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1219130840, now seen corresponding path program 1 times [2020-10-14 21:03:11,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:11,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662836661] [2020-10-14 21:03:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:11,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:12,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 21:03:12,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-14 21:03:12,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:12,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:03:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 21:03:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:03:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:12,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:12,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:03:12,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:03:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:12,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:03:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:03:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:12,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:12,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:12,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:03:12,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:03:12,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:12,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:03:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:12,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:03:12,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:03:12,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:12,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:03:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:03:12,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 21:03:12,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662836661] [2020-10-14 21:03:12,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:12,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:03:12,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267452569] [2020-10-14 21:03:12,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:03:12,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:12,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:03:12,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:03:12,593 INFO L87 Difference]: Start difference. First operand 9062 states and 12442 transitions. Second operand 5 states. [2020-10-14 21:03:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:14,858 INFO L93 Difference]: Finished difference Result 19847 states and 27538 transitions. [2020-10-14 21:03:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:03:14,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-14 21:03:14,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:14,890 INFO L225 Difference]: With dead ends: 19847 [2020-10-14 21:03:14,890 INFO L226 Difference]: Without dead ends: 11169 [2020-10-14 21:03:14,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:03:14,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11169 states. [2020-10-14 21:03:15,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11169 to 10220. [2020-10-14 21:03:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10220 states. [2020-10-14 21:03:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10220 states to 10220 states and 13794 transitions. [2020-10-14 21:03:15,126 INFO L78 Accepts]: Start accepts. Automaton has 10220 states and 13794 transitions. Word has length 245 [2020-10-14 21:03:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:15,126 INFO L479 AbstractCegarLoop]: Abstraction has 10220 states and 13794 transitions. [2020-10-14 21:03:15,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:03:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 10220 states and 13794 transitions. [2020-10-14 21:03:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-14 21:03:15,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:15,138 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:03:15,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:03:15,139 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:15,139 INFO L82 PathProgramCache]: Analyzing trace with hash 502422152, now seen corresponding path program 1 times [2020-10-14 21:03:15,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:15,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830527357] [2020-10-14 21:03:15,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:15,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:16,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-14 21:03:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:03:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 942 [2020-10-14 21:03:16,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:16,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:03:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:03:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:03:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:16,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:03:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:03:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:16,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:03:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:16,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:16,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:03:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:03:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:03:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:16,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:16,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:03:16,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:03:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:03:16,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830527357] [2020-10-14 21:03:16,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:16,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:03:16,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958556163] [2020-10-14 21:03:16,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:03:16,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:16,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:03:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:03:16,557 INFO L87 Difference]: Start difference. First operand 10220 states and 13794 transitions. Second operand 7 states. [2020-10-14 21:03:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:20,244 INFO L93 Difference]: Finished difference Result 22982 states and 31752 transitions. [2020-10-14 21:03:20,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:03:20,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-10-14 21:03:20,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:20,287 INFO L225 Difference]: With dead ends: 22982 [2020-10-14 21:03:20,288 INFO L226 Difference]: Without dead ends: 13146 [2020-10-14 21:03:20,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:03:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13146 states. [2020-10-14 21:03:20,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13146 to 12747. [2020-10-14 21:03:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12747 states. [2020-10-14 21:03:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12747 states to 12747 states and 17019 transitions. [2020-10-14 21:03:20,557 INFO L78 Accepts]: Start accepts. Automaton has 12747 states and 17019 transitions. Word has length 259 [2020-10-14 21:03:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:20,557 INFO L479 AbstractCegarLoop]: Abstraction has 12747 states and 17019 transitions. [2020-10-14 21:03:20,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:03:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12747 states and 17019 transitions. [2020-10-14 21:03:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-14 21:03:20,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:20,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:03:20,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:03:20,565 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:20,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:20,566 INFO L82 PathProgramCache]: Analyzing trace with hash -456438930, now seen corresponding path program 1 times [2020-10-14 21:03:20,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:20,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284370194] [2020-10-14 21:03:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:20,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:21,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:21,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 21:03:21,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:03:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-14 21:03:21,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:21,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:03:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:03:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:03:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:21,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:21,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:21,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:03:21,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:21,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:03:21,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:21,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:03:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:03:21,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:03:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:03:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:03:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:03:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:03:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:03:21,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:03:21,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:03:21,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:03:21,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:03:21,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 21:03:21,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:03:21,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:03:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:03:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:03:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:03:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:03:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:03:22,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284370194] [2020-10-14 21:03:22,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:03:22,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:03:22,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570237758] [2020-10-14 21:03:22,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:03:22,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:03:22,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:03:22,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:03:22,047 INFO L87 Difference]: Start difference. First operand 12747 states and 17019 transitions. Second operand 7 states. [2020-10-14 21:03:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:03:25,590 INFO L93 Difference]: Finished difference Result 27932 states and 37998 transitions. [2020-10-14 21:03:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:03:25,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 262 [2020-10-14 21:03:25,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:03:25,635 INFO L225 Difference]: With dead ends: 27932 [2020-10-14 21:03:25,635 INFO L226 Difference]: Without dead ends: 15377 [2020-10-14 21:03:25,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:03:25,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15377 states. [2020-10-14 21:03:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15377 to 15181. [2020-10-14 21:03:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15181 states. [2020-10-14 21:03:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15181 states to 15181 states and 19692 transitions. [2020-10-14 21:03:25,917 INFO L78 Accepts]: Start accepts. Automaton has 15181 states and 19692 transitions. Word has length 262 [2020-10-14 21:03:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:03:25,918 INFO L479 AbstractCegarLoop]: Abstraction has 15181 states and 19692 transitions. [2020-10-14 21:03:25,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:03:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 15181 states and 19692 transitions. [2020-10-14 21:03:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-14 21:03:25,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:03:25,930 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:03:25,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:03:25,930 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:03:25,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:03:25,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2141459337, now seen corresponding path program 1 times [2020-10-14 21:03:25,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:03:25,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325497341] [2020-10-14 21:03:25,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:03:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 21:03:26,124 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 21:03:26,124 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 21:03:26,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:03:26,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:03:26 BoogieIcfgContainer [2020-10-14 21:03:26,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:03:26,199 INFO L168 Benchmark]: Toolchain (without parser) took 60500.63 ms. Allocated memory was 146.3 MB in the beginning and 990.9 MB in the end (delta: 844.6 MB). Free memory was 99.4 MB in the beginning and 833.1 MB in the end (delta: -733.8 MB). Peak memory consumption was 920.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,203 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.28 ms. Allocated memory was 146.3 MB in the beginning and 209.2 MB in the end (delta: 62.9 MB). Free memory was 99.4 MB in the beginning and 163.1 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,206 INFO L168 Benchmark]: Boogie Preprocessor took 205.54 ms. Allocated memory is still 209.2 MB. Free memory was 163.1 MB in the beginning and 155.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,208 INFO L168 Benchmark]: RCFGBuilder took 1789.54 ms. Allocated memory was 209.2 MB in the beginning and 242.2 MB in the end (delta: 33.0 MB). Free memory was 155.6 MB in the beginning and 99.7 MB in the end (delta: 55.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,211 INFO L168 Benchmark]: TraceAbstraction took 57474.96 ms. Allocated memory was 242.2 MB in the beginning and 990.9 MB in the end (delta: 748.7 MB). Free memory was 99.7 MB in the beginning and 833.1 MB in the end (delta: -733.4 MB). Peak memory consumption was 824.6 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:26,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1025.28 ms. Allocated memory was 146.3 MB in the beginning and 209.2 MB in the end (delta: 62.9 MB). Free memory was 99.4 MB in the beginning and 163.1 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 205.54 ms. Allocated memory is still 209.2 MB. Free memory was 163.1 MB in the beginning and 155.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1789.54 ms. Allocated memory was 209.2 MB in the beginning and 242.2 MB in the end (delta: 33.0 MB). Free memory was 155.6 MB in the beginning and 99.7 MB in the end (delta: 55.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57474.96 ms. Allocated memory was 242.2 MB in the beginning and 990.9 MB in the end (delta: 748.7 MB). Free memory was 99.7 MB in the beginning and 833.1 MB in the end (delta: -733.4 MB). Peak memory consumption was 824.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L527] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L528] a25 = 12 [L530] return 26; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND TRUE ((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15)) [L616] a29 = (((a29 + -194923) / 5) / 5) [L617] a23 = ((((a23 % 83)- -169) + 501114) - 501118) [L618] a25 = 13 [L620] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND TRUE ((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L42] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 31.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 576 SDtfs, 6950 SDslu, 1075 SDs, 0 SdLazy, 18284 SolverSat, 2725 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15181occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2225 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 2202 NumberOfCodeBlocks, 2202 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1927 ConstructedInterpolants, 0 QuantifiedInterpolants, 1034086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 825/904 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...