/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/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:44:41,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:44:41,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:44:41,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:44:41,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:44:41,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:44:41,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:44:41,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:44:41,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:44:41,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:44:41,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:44:41,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:44:41,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:44:41,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:44:41,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:44:41,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:44:41,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:44:41,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:44:41,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:44:41,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:44:41,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:44:41,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:44:41,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:44:41,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:44:41,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:44:41,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:44:41,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:44:41,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:44:41,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:44:41,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:44:41,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:44:41,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:44:41,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:44:41,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:44:41,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:44:41,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:44:41,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:44:41,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:44:41,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:44:41,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:44:41,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:44:41,685 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 21:44:41,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:44:41,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:44:41,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:44:41,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:44:41,723 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:44:41,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:44:41,724 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:44:41,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:44:41,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:44:41,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:44:41,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:44:41,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:44:41,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:44:41,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:44:41,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:44:41,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:44:41,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:44:41,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:44:41,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:44:41,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:44:41,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:44:41,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:44:41,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:44:41,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:44:41,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:44:41,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:44:41,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:44:41,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:44:41,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:44:41,730 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 21:44:42,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:44:42,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:44:42,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:44:42,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:44:42,082 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:44:42,083 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-10-14 21:44:42,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c75b297ee/ac82e7278c644961b0044a7d6398a666/FLAG3ecfd6efc [2020-10-14 21:44:42,676 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:44:42,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-10-14 21:44:42,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c75b297ee/ac82e7278c644961b0044a7d6398a666/FLAG3ecfd6efc [2020-10-14 21:44:42,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c75b297ee/ac82e7278c644961b0044a7d6398a666 [2020-10-14 21:44:42,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:44:42,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:44:42,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:42,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:44:42,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:44:42,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:42" (1/1) ... [2020-10-14 21:44:42,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcb8091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:42, skipping insertion in model container [2020-10-14 21:44:42,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:42" (1/1) ... [2020-10-14 21:44:42,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:44:43,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:44:43,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:43,592 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:44:43,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:43,896 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:44:43,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43 WrapperNode [2020-10-14 21:44:43,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:43,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:44:43,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:44:43,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:44:43,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:43,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:43,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:43,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:43,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:44,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:44,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (1/1) ... [2020-10-14 21:44:44,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:44:44,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:44:44,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:44:44,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:44:44,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (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 21:44:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:44:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:44:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:44:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:44:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:44:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:44:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:44:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:44:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:44:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:44:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:44:45,748 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:44:45,749 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:44:45,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:44:45 BoogieIcfgContainer [2020-10-14 21:44:45,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:44:45,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:44:45,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:44:45,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:44:45,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:44:42" (1/3) ... [2020-10-14 21:44:45,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cea8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:44:45, skipping insertion in model container [2020-10-14 21:44:45,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:43" (2/3) ... [2020-10-14 21:44:45,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cea8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:44:45, skipping insertion in model container [2020-10-14 21:44:45,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:44:45" (3/3) ... [2020-10-14 21:44:45,773 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-10-14 21:44:45,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:44:45,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:44:45,818 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:44:45,850 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:44:45,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:44:45,851 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:44:45,851 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:44:45,851 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:44:45,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:44:45,851 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:44:45,852 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:44:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:44:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 21:44:45,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:45,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:45,887 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:45,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-10-14 21:44:45,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:45,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627273657] [2020-10-14 21:44:45,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 21:44:46,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-14 21:44:46,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:46,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 21:44:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:44:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:46,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:44:46,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:46,561 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 21:44:46,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627273657] [2020-10-14 21:44:46,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:44:46,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:44:46,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23616546] [2020-10-14 21:44:46,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:44:46,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:46,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:44:46,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:44:46,594 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:44:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:48,393 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 21:44:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:44:48,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-14 21:44:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:48,413 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:44:48,413 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:44:48,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:44:48,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:44:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:44:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:44:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 21:44:48,618 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 49 [2020-10-14 21:44:48,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:48,619 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 21:44:48,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:44:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 21:44:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 21:44:48,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:48,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:44:48,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:44:48,626 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:48,627 INFO L82 PathProgramCache]: Analyzing trace with hash -923912687, now seen corresponding path program 1 times [2020-10-14 21:44:48,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:48,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968284989] [2020-10-14 21:44:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:49,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:44:49,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1259 [2020-10-14 21:44:49,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:49,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:44:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:44:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:49,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:44:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:50,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:50,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:44:50,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 21:44:50,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:50,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:44:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:44:50,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968284989] [2020-10-14 21:44:50,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:44:50,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:44:50,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240375322] [2020-10-14 21:44:50,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:50,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:50,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:50,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:50,200 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 7 states. [2020-10-14 21:44:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:52,420 INFO L93 Difference]: Finished difference Result 1168 states and 1798 transitions. [2020-10-14 21:44:52,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:52,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 118 [2020-10-14 21:44:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:52,428 INFO L225 Difference]: With dead ends: 1168 [2020-10-14 21:44:52,428 INFO L226 Difference]: Without dead ends: 798 [2020-10-14 21:44:52,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 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 21:44:52,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-14 21:44:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 750. [2020-10-14 21:44:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-14 21:44:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1007 transitions. [2020-10-14 21:44:52,529 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1007 transitions. Word has length 118 [2020-10-14 21:44:52,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:52,531 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 1007 transitions. [2020-10-14 21:44:52,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:52,531 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1007 transitions. [2020-10-14 21:44:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 21:44:52,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:52,542 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:44:52,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:44:52,542 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:52,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:52,543 INFO L82 PathProgramCache]: Analyzing trace with hash 898647834, now seen corresponding path program 1 times [2020-10-14 21:44:52,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:52,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462746359] [2020-10-14 21:44:52,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:53,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:53,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 843 [2020-10-14 21:44:53,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:53,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:44:53,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:53,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:53,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:53,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:44:53,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:53,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:53,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:53,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:53,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:44:53,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:44:53,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:53,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:44:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:44:53,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462746359] [2020-10-14 21:44:53,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:44:53,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:44:53,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035896618] [2020-10-14 21:44:53,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:53,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:53,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:53,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:53,666 INFO L87 Difference]: Start difference. First operand 750 states and 1007 transitions. Second operand 7 states. [2020-10-14 21:44:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:55,709 INFO L93 Difference]: Finished difference Result 2094 states and 2884 transitions. [2020-10-14 21:44:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:55,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-14 21:44:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:55,720 INFO L225 Difference]: With dead ends: 2094 [2020-10-14 21:44:55,721 INFO L226 Difference]: Without dead ends: 1350 [2020-10-14 21:44:55,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:55,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2020-10-14 21:44:55,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1314. [2020-10-14 21:44:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-14 21:44:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1656 transitions. [2020-10-14 21:44:55,790 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1656 transitions. Word has length 121 [2020-10-14 21:44:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:55,792 INFO L479 AbstractCegarLoop]: Abstraction has 1314 states and 1656 transitions. [2020-10-14 21:44:55,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1656 transitions. [2020-10-14 21:44:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 21:44:55,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:55,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:55,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:44:55,809 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:55,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2013904043, now seen corresponding path program 1 times [2020-10-14 21:44:55,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:55,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250507153] [2020-10-14 21:44:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:55,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 21:44:59,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3234 [2020-10-14 21:44:59,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:44:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:44:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 21:44:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:44:59,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:44:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:59,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 21:44:59,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:44:59,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:44:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:59,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 21:44:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:59,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 85 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:44:59,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250507153] [2020-10-14 21:44:59,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:59,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:59,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439382590] [2020-10-14 21:44:59,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:59,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:59,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:59,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:59,806 INFO L87 Difference]: Start difference. First operand 1314 states and 1656 transitions. Second operand 8 states. [2020-10-14 21:45:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:01,711 INFO L93 Difference]: Finished difference Result 2848 states and 3605 transitions. [2020-10-14 21:45:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:01,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-10-14 21:45:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:01,728 INFO L225 Difference]: With dead ends: 2848 [2020-10-14 21:45:01,728 INFO L226 Difference]: Without dead ends: 1722 [2020-10-14 21:45:01,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-10-14 21:45:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1684. [2020-10-14 21:45:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-10-14 21:45:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2079 transitions. [2020-10-14 21:45:01,799 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2079 transitions. Word has length 216 [2020-10-14 21:45:01,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:01,802 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2079 transitions. [2020-10-14 21:45:01,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2079 transitions. [2020-10-14 21:45:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 21:45:01,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:01,809 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:01,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:45:01,810 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash -479545190, now seen corresponding path program 1 times [2020-10-14 21:45:01,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:01,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026767705] [2020-10-14 21:45:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 21:45:03,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1903 [2020-10-14 21:45:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 21:45:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:45:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:03,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:45:03,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:45:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:03,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:03,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:45:03,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:45:03,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:03,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:03,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:03,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:03,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:45:03,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:45:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:04,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:04,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:04,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:04,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:45:04,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-14 21:45:04,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:04,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:45:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 21:45:04,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026767705] [2020-10-14 21:45:04,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:04,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:04,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835067140] [2020-10-14 21:45:04,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:04,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:04,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:04,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:04,582 INFO L87 Difference]: Start difference. First operand 1684 states and 2079 transitions. Second operand 7 states. [2020-10-14 21:45:08,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:08,104 INFO L93 Difference]: Finished difference Result 4482 states and 5908 transitions. [2020-10-14 21:45:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:08,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-14 21:45:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:08,125 INFO L225 Difference]: With dead ends: 4482 [2020-10-14 21:45:08,126 INFO L226 Difference]: Without dead ends: 2618 [2020-10-14 21:45:08,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:45:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2020-10-14 21:45:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2434. [2020-10-14 21:45:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2434 states. [2020-10-14 21:45:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3080 transitions. [2020-10-14 21:45:08,196 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3080 transitions. Word has length 273 [2020-10-14 21:45:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:08,197 INFO L479 AbstractCegarLoop]: Abstraction has 2434 states and 3080 transitions. [2020-10-14 21:45:08,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3080 transitions. [2020-10-14 21:45:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 21:45:08,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:08,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:45:08,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:45:08,203 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:08,203 INFO L82 PathProgramCache]: Analyzing trace with hash 408287194, now seen corresponding path program 1 times [2020-10-14 21:45:08,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:08,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704085984] [2020-10-14 21:45:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:09,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 21:45:13,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:45:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:45:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-14 21:45:13,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:13,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:45:13,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:13,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 21:45:13,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:45:13,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:45:13,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:45:13,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:45:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-14 21:45:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:45:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 131 proven. 214 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 21:45:14,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704085984] [2020-10-14 21:45:14,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:14,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:14,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095635373] [2020-10-14 21:45:14,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:14,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:14,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:14,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:14,354 INFO L87 Difference]: Start difference. First operand 2434 states and 3080 transitions. Second operand 8 states. [2020-10-14 21:45:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:16,160 INFO L93 Difference]: Finished difference Result 4514 states and 5815 transitions. [2020-10-14 21:45:16,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:16,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 315 [2020-10-14 21:45:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:16,177 INFO L225 Difference]: With dead ends: 4514 [2020-10-14 21:45:16,177 INFO L226 Difference]: Without dead ends: 2452 [2020-10-14 21:45:16,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2020-10-14 21:45:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2440. [2020-10-14 21:45:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2440 states. [2020-10-14 21:45:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3082 transitions. [2020-10-14 21:45:16,262 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3082 transitions. Word has length 315 [2020-10-14 21:45:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:16,263 INFO L479 AbstractCegarLoop]: Abstraction has 2440 states and 3082 transitions. [2020-10-14 21:45:16,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3082 transitions. [2020-10-14 21:45:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-10-14 21:45:16,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:16,274 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:16,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:45:16,274 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1005749134, now seen corresponding path program 1 times [2020-10-14 21:45:16,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:16,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321705171] [2020-10-14 21:45:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:16,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:16,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:16,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 439 [2020-10-14 21:45:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 21:45:21,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 305 [2020-10-14 21:45:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:45:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:21,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:21,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:21,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:21,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:21,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:21,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:45:21,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:21,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:21,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:21,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:45:21,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:45:21,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:45:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-14 21:45:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:21,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:21,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:21,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 21:45:21,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:21,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:21,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 407 proven. 2 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-10-14 21:45:22,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321705171] [2020-10-14 21:45:22,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:22,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:22,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127184927] [2020-10-14 21:45:22,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:22,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:22,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:22,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:22,150 INFO L87 Difference]: Start difference. First operand 2440 states and 3082 transitions. Second operand 7 states. [2020-10-14 21:45:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:24,152 INFO L93 Difference]: Finished difference Result 4726 states and 6067 transitions. [2020-10-14 21:45:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:24,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 423 [2020-10-14 21:45:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:24,167 INFO L225 Difference]: With dead ends: 4726 [2020-10-14 21:45:24,167 INFO L226 Difference]: Without dead ends: 2474 [2020-10-14 21:45:24,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:24,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2020-10-14 21:45:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2440. [2020-10-14 21:45:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2440 states. [2020-10-14 21:45:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3068 transitions. [2020-10-14 21:45:24,236 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3068 transitions. Word has length 423 [2020-10-14 21:45:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:24,237 INFO L479 AbstractCegarLoop]: Abstraction has 2440 states and 3068 transitions. [2020-10-14 21:45:24,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3068 transitions. [2020-10-14 21:45:24,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-10-14 21:45:24,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:24,246 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:24,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:45:24,247 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:24,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:24,247 INFO L82 PathProgramCache]: Analyzing trace with hash 988127386, now seen corresponding path program 1 times [2020-10-14 21:45:24,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:24,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789144368] [2020-10-14 21:45:24,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 451 [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:45:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:45:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,545 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-14 21:45:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:29,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:29,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:45:29,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:45:29,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:29,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-14 21:45:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:29,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 421 proven. 4 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 21:45:30,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789144368] [2020-10-14 21:45:30,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:30,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:30,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168464877] [2020-10-14 21:45:30,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:30,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:30,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:30,080 INFO L87 Difference]: Start difference. First operand 2440 states and 3068 transitions. Second operand 8 states. [2020-10-14 21:45:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:32,936 INFO L93 Difference]: Finished difference Result 6016 states and 7962 transitions. [2020-10-14 21:45:32,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:45:32,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 435 [2020-10-14 21:45:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:32,952 INFO L225 Difference]: With dead ends: 6016 [2020-10-14 21:45:32,953 INFO L226 Difference]: Without dead ends: 3558 [2020-10-14 21:45:32,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:45:32,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2020-10-14 21:45:33,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 3544. [2020-10-14 21:45:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-10-14 21:45:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 3941 transitions. [2020-10-14 21:45:33,048 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 3941 transitions. Word has length 435 [2020-10-14 21:45:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:33,049 INFO L479 AbstractCegarLoop]: Abstraction has 3544 states and 3941 transitions. [2020-10-14 21:45:33,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 3941 transitions. [2020-10-14 21:45:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-10-14 21:45:33,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:33,070 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 21:45:33,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:45:33,071 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:33,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1994403550, now seen corresponding path program 1 times [2020-10-14 21:45:33,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:33,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399726842] [2020-10-14 21:45:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 687 [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:45:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:45:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:38,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:38,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 21:45:38,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:45:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:45:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:45:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:45:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:45:38,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-14 21:45:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:38,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:38,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:38,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 609 proven. 158 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2020-10-14 21:45:39,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399726842] [2020-10-14 21:45:39,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:39,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:39,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191684155] [2020-10-14 21:45:39,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:39,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:39,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:39,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:39,310 INFO L87 Difference]: Start difference. First operand 3544 states and 3941 transitions. Second operand 8 states. [2020-10-14 21:45:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:41,257 INFO L93 Difference]: Finished difference Result 6908 states and 7717 transitions. [2020-10-14 21:45:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:45:41,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 667 [2020-10-14 21:45:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:41,279 INFO L225 Difference]: With dead ends: 6908 [2020-10-14 21:45:41,279 INFO L226 Difference]: Without dead ends: 3736 [2020-10-14 21:45:41,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:45:41,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-10-14 21:45:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3726. [2020-10-14 21:45:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3726 states. [2020-10-14 21:45:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 4127 transitions. [2020-10-14 21:45:41,406 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 4127 transitions. Word has length 667 [2020-10-14 21:45:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:41,407 INFO L479 AbstractCegarLoop]: Abstraction has 3726 states and 4127 transitions. [2020-10-14 21:45:41,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4127 transitions. [2020-10-14 21:45:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2020-10-14 21:45:41,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:41,422 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 21:45:41,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:45:41,423 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:41,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:41,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1976264957, now seen corresponding path program 1 times [2020-10-14 21:45:41,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:41,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748220959] [2020-10-14 21:45:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:42,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:44,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 720 [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:45:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:45:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:45:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:46,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:46,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:45:46,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:46,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:46,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:46,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:45:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:45:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:45:47,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:45:47,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:45:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-10-14 21:45:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 563 proven. 72 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-14 21:45:47,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748220959] [2020-10-14 21:45:47,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:47,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:47,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526883228] [2020-10-14 21:45:47,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:47,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:47,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:47,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:47,627 INFO L87 Difference]: Start difference. First operand 3726 states and 4127 transitions. Second operand 7 states. [2020-10-14 21:45:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:49,103 INFO L93 Difference]: Finished difference Result 7268 states and 8100 transitions. [2020-10-14 21:45:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:45:49,104 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 700 [2020-10-14 21:45:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:49,119 INFO L225 Difference]: With dead ends: 7268 [2020-10-14 21:45:49,119 INFO L226 Difference]: Without dead ends: 3914 [2020-10-14 21:45:49,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:45:49,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-14 21:45:49,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3910. [2020-10-14 21:45:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2020-10-14 21:45:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 4328 transitions. [2020-10-14 21:45:49,223 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 4328 transitions. Word has length 700 [2020-10-14 21:45:49,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:49,225 INFO L479 AbstractCegarLoop]: Abstraction has 3910 states and 4328 transitions. [2020-10-14 21:45:49,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:49,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 4328 transitions. [2020-10-14 21:45:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2020-10-14 21:45:49,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:49,236 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 21:45:49,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:45:49,237 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:49,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1622121279, now seen corresponding path program 1 times [2020-10-14 21:45:49,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:49,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502754169] [2020-10-14 21:45:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:52,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 738 [2020-10-14 21:45:54,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 21:45:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:45:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:54,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:54,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:54,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:54,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:54,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:45:54,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:54,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 21:45:54,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:54,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:45:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:45:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:54,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:45:55,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 21:45:55,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:45:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:55,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:45:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:45:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2020-10-14 21:45:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:45:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:45:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 613 proven. 152 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2020-10-14 21:45:55,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502754169] [2020-10-14 21:45:55,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:55,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:55,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714472164] [2020-10-14 21:45:55,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:55,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:55,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:55,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:55,887 INFO L87 Difference]: Start difference. First operand 3910 states and 4328 transitions. Second operand 8 states. [2020-10-14 21:45:58,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:58,040 INFO L93 Difference]: Finished difference Result 9654 states and 11125 transitions. [2020-10-14 21:45:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:58,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 718 [2020-10-14 21:45:58,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:58,077 INFO L225 Difference]: With dead ends: 9654 [2020-10-14 21:45:58,078 INFO L226 Difference]: Without dead ends: 5748 [2020-10-14 21:45:58,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2020-10-14 21:45:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 5562. [2020-10-14 21:45:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5562 states. [2020-10-14 21:45:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 6281 transitions. [2020-10-14 21:45:58,196 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 6281 transitions. Word has length 718 [2020-10-14 21:45:58,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:58,197 INFO L479 AbstractCegarLoop]: Abstraction has 5562 states and 6281 transitions. [2020-10-14 21:45:58,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 6281 transitions. [2020-10-14 21:45:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2020-10-14 21:45:58,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:58,207 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-10-14 21:45:58,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:45:58,207 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 208072554, now seen corresponding path program 1 times [2020-10-14 21:45:58,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:58,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139626750] [2020-10-14 21:45:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:58,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:01,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 761 [2020-10-14 21:46:03,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:03,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-14 21:46:03,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:46:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:46:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:46:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 21:46:03,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:46:03,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:46:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-14 21:46:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:46:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 718 proven. 82 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-14 21:46:04,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139626750] [2020-10-14 21:46:04,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:04,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:04,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309327415] [2020-10-14 21:46:04,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:04,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:04,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:04,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:04,141 INFO L87 Difference]: Start difference. First operand 5562 states and 6281 transitions. Second operand 7 states. [2020-10-14 21:46:05,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:05,559 INFO L93 Difference]: Finished difference Result 12596 states and 14589 transitions. [2020-10-14 21:46:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:05,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 741 [2020-10-14 21:46:05,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:05,582 INFO L225 Difference]: With dead ends: 12596 [2020-10-14 21:46:05,582 INFO L226 Difference]: Without dead ends: 7406 [2020-10-14 21:46:05,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 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 21:46:05,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7406 states. [2020-10-14 21:46:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7406 to 7220. [2020-10-14 21:46:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7220 states. [2020-10-14 21:46:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7220 states to 7220 states and 8326 transitions. [2020-10-14 21:46:05,726 INFO L78 Accepts]: Start accepts. Automaton has 7220 states and 8326 transitions. Word has length 741 [2020-10-14 21:46:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:05,728 INFO L479 AbstractCegarLoop]: Abstraction has 7220 states and 8326 transitions. [2020-10-14 21:46:05,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7220 states and 8326 transitions. [2020-10-14 21:46:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2020-10-14 21:46:05,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:05,743 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 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 21:46:05,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:46:05,744 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:05,744 INFO L82 PathProgramCache]: Analyzing trace with hash -140094682, now seen corresponding path program 1 times [2020-10-14 21:46:05,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:05,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960787134] [2020-10-14 21:46:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:06,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:10,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 895 [2020-10-14 21:46:10,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:46:10,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:10,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 761 [2020-10-14 21:46:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:46:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:11,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:11,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:11,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:46:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:46:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:11,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:46:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2020-10-14 21:46:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:46:11,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 789 proven. 2 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2020-10-14 21:46:11,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960787134] [2020-10-14 21:46:11,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:11,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:11,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058774997] [2020-10-14 21:46:11,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:11,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:11,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:11,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:11,826 INFO L87 Difference]: Start difference. First operand 7220 states and 8326 transitions. Second operand 7 states. [2020-10-14 21:46:13,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:13,257 INFO L93 Difference]: Finished difference Result 14286 states and 16559 transitions. [2020-10-14 21:46:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:46:13,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 873 [2020-10-14 21:46:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:13,285 INFO L225 Difference]: With dead ends: 14286 [2020-10-14 21:46:13,285 INFO L226 Difference]: Without dead ends: 7244 [2020-10-14 21:46:13,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7244 states. [2020-10-14 21:46:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7244 to 7208. [2020-10-14 21:46:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7208 states. [2020-10-14 21:46:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 8177 transitions. [2020-10-14 21:46:13,447 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 8177 transitions. Word has length 873 [2020-10-14 21:46:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:13,449 INFO L479 AbstractCegarLoop]: Abstraction has 7208 states and 8177 transitions. [2020-10-14 21:46:13,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 8177 transitions. [2020-10-14 21:46:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2020-10-14 21:46:13,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:13,464 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:46:13,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:46:13,464 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:13,465 INFO L82 PathProgramCache]: Analyzing trace with hash 666198585, now seen corresponding path program 1 times [2020-10-14 21:46:13,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:13,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907625620] [2020-10-14 21:46:13,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:14,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:18,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:18,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 992 [2020-10-14 21:46:18,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5269 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:19,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:46:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:46:19,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 21:46:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:46:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-14 21:46:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:46:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 987 proven. 73 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2020-10-14 21:46:20,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907625620] [2020-10-14 21:46:20,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:20,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:20,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988728166] [2020-10-14 21:46:20,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:20,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:20,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:20,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:20,123 INFO L87 Difference]: Start difference. First operand 7208 states and 8177 transitions. Second operand 7 states. [2020-10-14 21:46:21,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:21,620 INFO L93 Difference]: Finished difference Result 14416 states and 16575 transitions. [2020-10-14 21:46:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:46:21,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 970 [2020-10-14 21:46:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:21,653 INFO L225 Difference]: With dead ends: 14416 [2020-10-14 21:46:21,653 INFO L226 Difference]: Without dead ends: 7580 [2020-10-14 21:46:21,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2020-10-14 21:46:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 7216. [2020-10-14 21:46:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7216 states. [2020-10-14 21:46:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7216 states to 7216 states and 8147 transitions. [2020-10-14 21:46:21,786 INFO L78 Accepts]: Start accepts. Automaton has 7216 states and 8147 transitions. Word has length 970 [2020-10-14 21:46:21,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:21,787 INFO L479 AbstractCegarLoop]: Abstraction has 7216 states and 8147 transitions. [2020-10-14 21:46:21,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7216 states and 8147 transitions. [2020-10-14 21:46:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2020-10-14 21:46:21,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:21,809 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:21,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:46:21,809 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:21,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:21,810 INFO L82 PathProgramCache]: Analyzing trace with hash -393921739, now seen corresponding path program 1 times [2020-10-14 21:46:21,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:21,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014630407] [2020-10-14 21:46:21,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1016 [2020-10-14 21:46:27,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-14 21:46:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:46:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:27,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-14 21:46:27,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:27,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:27,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:46:27,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:27,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:46:27,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:27,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:46:27,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 1542 proven. 6 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2020-10-14 21:46:28,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014630407] [2020-10-14 21:46:28,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:28,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:46:28,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320353479] [2020-10-14 21:46:28,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:46:28,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:28,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:46:28,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:46:28,427 INFO L87 Difference]: Start difference. First operand 7216 states and 8147 transitions. Second operand 9 states. [2020-10-14 21:46:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:31,042 INFO L93 Difference]: Finished difference Result 15904 states and 18214 transitions. [2020-10-14 21:46:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:46:31,047 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 992 [2020-10-14 21:46:31,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:31,071 INFO L225 Difference]: With dead ends: 15904 [2020-10-14 21:46:31,071 INFO L226 Difference]: Without dead ends: 9060 [2020-10-14 21:46:31,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:46:31,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9060 states. [2020-10-14 21:46:31,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9060 to 9056. [2020-10-14 21:46:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9056 states. [2020-10-14 21:46:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9056 states to 9056 states and 10384 transitions. [2020-10-14 21:46:31,234 INFO L78 Accepts]: Start accepts. Automaton has 9056 states and 10384 transitions. Word has length 992 [2020-10-14 21:46:31,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:31,235 INFO L479 AbstractCegarLoop]: Abstraction has 9056 states and 10384 transitions. [2020-10-14 21:46:31,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:46:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 9056 states and 10384 transitions. [2020-10-14 21:46:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2020-10-14 21:46:31,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:31,256 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:46:31,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:46:31,257 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash 261301850, now seen corresponding path program 1 times [2020-10-14 21:46:31,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:31,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711906022] [2020-10-14 21:46:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1147 [2020-10-14 21:46:36,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:36,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 21:46:36,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 821 [2020-10-14 21:46:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:36,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:36,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:36,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:36,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:36,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:36,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:46:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:46:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:37,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:37,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:46:37,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:37,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2020-10-14 21:46:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:37,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2020-10-14 21:46:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:37,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3556 backedges. 1168 proven. 93 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2020-10-14 21:46:37,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711906022] [2020-10-14 21:46:37,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:37,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:37,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177858484] [2020-10-14 21:46:37,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:37,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:37,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:37,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:37,988 INFO L87 Difference]: Start difference. First operand 9056 states and 10384 transitions. Second operand 7 states. [2020-10-14 21:46:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:39,573 INFO L93 Difference]: Finished difference Result 17740 states and 20389 transitions. [2020-10-14 21:46:39,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:46:39,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1123 [2020-10-14 21:46:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:39,597 INFO L225 Difference]: With dead ends: 17740 [2020-10-14 21:46:39,597 INFO L226 Difference]: Without dead ends: 8872 [2020-10-14 21:46:39,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:39,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8872 states. [2020-10-14 21:46:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8872 to 8144. [2020-10-14 21:46:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8144 states. [2020-10-14 21:46:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8144 states to 8144 states and 9210 transitions. [2020-10-14 21:46:39,755 INFO L78 Accepts]: Start accepts. Automaton has 8144 states and 9210 transitions. Word has length 1123 [2020-10-14 21:46:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:39,756 INFO L479 AbstractCegarLoop]: Abstraction has 8144 states and 9210 transitions. [2020-10-14 21:46:39,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8144 states and 9210 transitions. [2020-10-14 21:46:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1246 [2020-10-14 21:46:39,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:39,779 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:39,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:46:39,780 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash -953199490, now seen corresponding path program 1 times [2020-10-14 21:46:39,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:39,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579929461] [2020-10-14 21:46:39,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1273 [2020-10-14 21:46:45,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:46:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:45,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:45,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:45,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:46,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 21:46:46,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:46,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:46:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 21:46:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:46,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:46,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-14 21:46:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2020-10-14 21:46:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:46,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:46,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:46,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4874 backedges. 1915 proven. 404 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2020-10-14 21:46:47,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579929461] [2020-10-14 21:46:47,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:47,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:47,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835373252] [2020-10-14 21:46:47,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:47,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:47,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:47,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:47,135 INFO L87 Difference]: Start difference. First operand 8144 states and 9210 transitions. Second operand 11 states. [2020-10-14 21:46:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:49,935 INFO L93 Difference]: Finished difference Result 16290 states and 18437 transitions. [2020-10-14 21:46:49,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:46:49,936 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1245 [2020-10-14 21:46:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:49,953 INFO L225 Difference]: With dead ends: 16290 [2020-10-14 21:46:49,953 INFO L226 Difference]: Without dead ends: 8336 [2020-10-14 21:46:49,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2020-10-14 21:46:49,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8336 states. [2020-10-14 21:46:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8336 to 8144. [2020-10-14 21:46:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8144 states. [2020-10-14 21:46:50,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8144 states to 8144 states and 9208 transitions. [2020-10-14 21:46:50,085 INFO L78 Accepts]: Start accepts. Automaton has 8144 states and 9208 transitions. Word has length 1245 [2020-10-14 21:46:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:50,086 INFO L479 AbstractCegarLoop]: Abstraction has 8144 states and 9208 transitions. [2020-10-14 21:46:50,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8144 states and 9208 transitions. [2020-10-14 21:46:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2020-10-14 21:46:50,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:50,112 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:50,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:46:50,112 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:50,113 INFO L82 PathProgramCache]: Analyzing trace with hash 173338082, now seen corresponding path program 1 times [2020-10-14 21:46:50,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:50,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571281442] [2020-10-14 21:46:50,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1393 [2020-10-14 21:46:55,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:55,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4792 [2020-10-14 21:46:55,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:46:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 21:46:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:55,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:55,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:46:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:46:55,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2020-10-14 21:46:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:46:55,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:46:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 1452 proven. 93 refuted. 0 times theorem prover too weak. 4425 trivial. 0 not checked. [2020-10-14 21:46:56,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571281442] [2020-10-14 21:46:56,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:56,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:56,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417279271] [2020-10-14 21:46:56,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:56,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:56,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:56,804 INFO L87 Difference]: Start difference. First operand 8144 states and 9208 transitions. Second operand 7 states. [2020-10-14 21:46:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:58,235 INFO L93 Difference]: Finished difference Result 16096 states and 18224 transitions. [2020-10-14 21:46:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:46:58,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1363 [2020-10-14 21:46:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:58,237 INFO L225 Difference]: With dead ends: 16096 [2020-10-14 21:46:58,237 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:46:58,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:46:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:46:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:46:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:46:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:46:58,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1363 [2020-10-14 21:46:58,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:58,253 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:46:58,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:46:58,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:46:58,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:46:58,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:46:58,968 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 100 [2020-10-14 21:46:59,159 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 100 [2020-10-14 21:47:00,133 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 55 [2020-10-14 21:47:00,385 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2020-10-14 21:47:00,631 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2020-10-14 21:47:00,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,636 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:47:00,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,636 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:47:00,636 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:47:00,636 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:47:00,637 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:47:00,638 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:47:00,639 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,640 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,641 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:47:00,642 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:47:00,643 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,644 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:47:00,645 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse6 (= ~a12~0 |old(~a12~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse5 (= ~a21~0 8) .cse6 .cse7)) (.cse1 (not (= 8 |old(~a21~0)|))) (.cse2 (= 6 |old(~a15~0)|)) (.cse4 (not (= 10 |old(~a21~0)|))) (.cse3 (and .cse5 (= ~a21~0 |old(~a21~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 (not (<= |old(~a12~0)| 73282))) (or .cse0 .cse1 .cse2) (or .cse3 (not (<= |old(~a21~0)| 6))) (or .cse4 .cse3 .cse2) (or (not (= 7 |old(~a21~0)|)) (and .cse5 .cse6 (= 7 ~a21~0) .cse7) .cse2) (or .cse3 (not (<= |old(~a15~0)| 5))) (or (not (<= |old(~a21~0)| 9)) .cse3 (not (<= 9 |old(~a21~0)|))) (or .cse4 .cse3 (not (<= |old(~a12~0)| 76)))))) [2020-10-14 21:47:00,645 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:47:00,646 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:47:00,647 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,648 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:47:00,649 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,650 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,651 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,652 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:47:00,653 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:47:00,654 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:47:00,655 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:47:00,656 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:47:00,657 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:47:00,658 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:47:00,659 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:47:00,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,659 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:47:00,659 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:47:00,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:00,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:47:00,659 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:00,660 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= ~a21~0 10)) (.cse0 (not (= ~a15~0 6))) (.cse2 (= ~a21~0 8))) (or (and (<= 9 ~a21~0) (<= ~a21~0 9)) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse0 (= 7 ~a21~0)) (<= ~a15~0 5) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse0) (and .cse1 (<= ~a12~0 76)) (<= ~a21~0 6) (and .cse0 .cse2) (and .cse2 (<= ~a12~0 73282)))) [2020-10-14 21:47:00,660 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:47:00,660 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:47:00,660 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= ~a21~0 10)) (.cse0 (not (= ~a15~0 6))) (.cse2 (= ~a21~0 8))) (or (and (<= 9 ~a21~0) (<= ~a21~0 9)) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse0 (= 7 ~a21~0)) (<= ~a15~0 5) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse0) (and .cse1 (<= ~a12~0 76)) (<= ~a21~0 6) (and .cse0 .cse2) (and .cse2 (<= ~a12~0 73282)))) [2020-10-14 21:47:00,660 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:00,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:47:00 BoogieIcfgContainer [2020-10-14 21:47:00,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:47:00,685 INFO L168 Benchmark]: Toolchain (without parser) took 137714.17 ms. Allocated memory was 145.8 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 99.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 923.6 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,686 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.77 ms. Allocated memory was 145.8 MB in the beginning and 206.0 MB in the end (delta: 60.3 MB). Free memory was 98.5 MB in the beginning and 169.3 MB in the end (delta: -70.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,687 INFO L168 Benchmark]: Boogie Preprocessor took 142.82 ms. Allocated memory is still 206.0 MB. Free memory was 169.3 MB in the beginning and 163.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,688 INFO L168 Benchmark]: RCFGBuilder took 1716.20 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 163.0 MB in the beginning and 158.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,688 INFO L168 Benchmark]: TraceAbstraction took 134925.13 ms. Allocated memory was 239.1 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 158.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 889.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:00,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 917.77 ms. Allocated memory was 145.8 MB in the beginning and 206.0 MB in the end (delta: 60.3 MB). Free memory was 98.5 MB in the beginning and 169.3 MB in the end (delta: -70.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.82 ms. Allocated memory is still 206.0 MB. Free memory was 169.3 MB in the beginning and 163.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1716.20 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 163.0 MB in the beginning and 158.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 134925.13 ms. Allocated memory was 239.1 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 158.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 889.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((9 <= a21 && a21 <= 9) || !(7 == \old(a21))) || !(\old(a12) + 49 == 0)) || (!(a15 == 6) && 7 == a21)) || a15 <= 5) || !(\old(a24) == 1)) || !(8 == \old(a15))) || (a21 == 10 && !(a15 == 6))) || (a21 == 10 && a12 <= 76)) || a21 <= 6) || (!(a15 == 6) && a21 == 8)) || (a21 == 8 && a12 <= 73282) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 132.4s, OverallIterations: 18, TraceHistogramMax: 12, AutomataDifference: 37.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 12523 SDslu, 805 SDs, 0 SdLazy, 24193 SolverSat, 2946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 286 SyntacticMatches, 6 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9056occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 2080 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 439 PreInvPairs, 543 NumberOfFragments, 385 HoareAnnotationTreeSize, 439 FomulaSimplifications, 16047 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4394 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 84.6s InterpolantComputationTime, 11342 NumberOfCodeBlocks, 11342 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 11324 ConstructedInterpolants, 0 QuantifiedInterpolants, 20585784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 29568/31009 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 correct! Received shutdown request...