/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:58:15,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:58:15,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:58:15,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:58:15,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:58:15,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:58:15,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:58:15,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:58:15,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:58:15,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:58:15,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:58:15,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:58:15,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:58:15,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:58:15,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:58:15,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:58:15,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:58:15,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:58:15,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:58:15,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:58:15,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:58:15,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:58:15,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:58:15,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:58:15,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:58:15,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:58:15,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:58:15,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:58:15,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:58:15,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:58:15,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:58:15,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:58:15,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:58:15,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:58:15,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:58:15,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:58:15,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:58:15,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:58:15,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:58:15,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:58:15,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:58:15,761 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 20:58:15,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:58:15,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:58:15,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:58:15,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:58:15,816 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:58:15,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:58:15,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:58:15,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:58:15,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:58:15,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:58:15,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:58:15,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:58:15,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:58:15,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:58:15,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:58:15,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:58:15,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:58:15,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:58:15,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:58:15,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:58:15,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:58:15,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:58:15,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:58:15,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:58:15,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:58:15,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:58:15,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:58:15,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:58:15,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:58:15,828 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 20:58:16,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:58:16,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:58:16,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:58:16,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:58:16,216 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:58:16,217 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-14 20:58:16,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/379d874d6/fb1dbb0c108d4ac0813285394590c532/FLAG1bdd134ef [2020-10-14 20:58:16,892 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:58:16,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-14 20:58:16,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/379d874d6/fb1dbb0c108d4ac0813285394590c532/FLAG1bdd134ef [2020-10-14 20:58:17,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/379d874d6/fb1dbb0c108d4ac0813285394590c532 [2020-10-14 20:58:17,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:58:17,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:58:17,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:58:17,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:58:17,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:58:17,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:58:17" (1/1) ... [2020-10-14 20:58:17,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45214687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:17, skipping insertion in model container [2020-10-14 20:58:17,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:58:17" (1/1) ... [2020-10-14 20:58:17,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:58:17,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:58:17,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:58:17,918 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:58:18,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:58:18,256 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:58:18,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18 WrapperNode [2020-10-14 20:58:18,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:58:18,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:58:18,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:58:18,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:58:18,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (1/1) ... [2020-10-14 20:58:18,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:58:18,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:58:18,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:58:18,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:58:18,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (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 20:58:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:58:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:58:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:58:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:58:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:58:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:58:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:58:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:58:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:58:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:58:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:58:20,600 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:58:20,601 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:58:20,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:20 BoogieIcfgContainer [2020-10-14 20:58:20,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:58:20,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:58:20,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:58:20,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:58:20,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:58:17" (1/3) ... [2020-10-14 20:58:20,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76518dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:20, skipping insertion in model container [2020-10-14 20:58:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:18" (2/3) ... [2020-10-14 20:58:20,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76518dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:20, skipping insertion in model container [2020-10-14 20:58:20,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:20" (3/3) ... [2020-10-14 20:58:20,622 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2020-10-14 20:58:20,635 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:58:20,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:58:20,665 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:58:20,706 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:58:20,707 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:58:20,708 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:58:20,708 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:58:20,708 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:58:20,708 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:58:20,709 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:58:20,709 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:58:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:58:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 20:58:20,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:20,782 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] [2020-10-14 20:58:20,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:20,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:20,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1029260131, now seen corresponding path program 1 times [2020-10-14 20:58:20,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:20,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280241146] [2020-10-14 20:58:20,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:21,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:21,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 20:58:21,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-14 20:58:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:21,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 20:58:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 20:58:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:21,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:21,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:21,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 20:58:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:21,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:21,569 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 20:58:21,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280241146] [2020-10-14 20:58:21,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:21,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:58:21,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062013762] [2020-10-14 20:58:21,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:58:21,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:21,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:58:21,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:58:21,604 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 20:58:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:24,281 INFO L93 Difference]: Finished difference Result 799 states and 1401 transitions. [2020-10-14 20:58:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:58:24,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-14 20:58:24,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:24,304 INFO L225 Difference]: With dead ends: 799 [2020-10-14 20:58:24,304 INFO L226 Difference]: Without dead ends: 443 [2020-10-14 20:58:24,313 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 20:58:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-10-14 20:58:24,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 429. [2020-10-14 20:58:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-14 20:58:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 645 transitions. [2020-10-14 20:58:24,404 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 645 transitions. Word has length 30 [2020-10-14 20:58:24,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:24,404 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 645 transitions. [2020-10-14 20:58:24,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:58:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 645 transitions. [2020-10-14 20:58:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-14 20:58:24,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:24,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:24,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:58:24,410 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:24,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:24,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2144284326, now seen corresponding path program 1 times [2020-10-14 20:58:24,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:24,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248892271] [2020-10-14 20:58:24,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:24,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 20:58:25,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-10-14 20:58:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:25,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:58:25,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:25,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:58:25,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:25,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:25,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:25,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:25,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:58:25,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:25,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 20:58:25,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:25,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 20:58:25,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:26,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248892271] [2020-10-14 20:58:26,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:26,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:58:26,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069052203] [2020-10-14 20:58:26,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:26,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:26,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:26,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:26,045 INFO L87 Difference]: Start difference. First operand 429 states and 645 transitions. Second operand 7 states. [2020-10-14 20:58:28,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:28,598 INFO L93 Difference]: Finished difference Result 1263 states and 1923 transitions. [2020-10-14 20:58:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:58:28,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2020-10-14 20:58:28,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:28,608 INFO L225 Difference]: With dead ends: 1263 [2020-10-14 20:58:28,609 INFO L226 Difference]: Without dead ends: 840 [2020-10-14 20:58:28,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 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 20:58:28,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-10-14 20:58:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 819. [2020-10-14 20:58:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-14 20:58:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1123 transitions. [2020-10-14 20:58:28,666 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1123 transitions. Word has length 100 [2020-10-14 20:58:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:28,666 INFO L479 AbstractCegarLoop]: Abstraction has 819 states and 1123 transitions. [2020-10-14 20:58:28,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1123 transitions. [2020-10-14 20:58:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 20:58:28,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:28,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:28,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:58:28,672 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:28,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1916245598, now seen corresponding path program 1 times [2020-10-14 20:58:28,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:28,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080440567] [2020-10-14 20:58:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:30,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 20:58:30,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:58:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1601 [2020-10-14 20:58:30,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:30,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:58:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:30,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:30,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:30,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:58:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:30,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:58:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:30,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:30,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:30,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 20:58:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:30,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:58:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:30,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080440567] [2020-10-14 20:58:30,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:30,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:58:30,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47975819] [2020-10-14 20:58:30,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:30,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:30,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:30,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:30,917 INFO L87 Difference]: Start difference. First operand 819 states and 1123 transitions. Second operand 7 states. [2020-10-14 20:58:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:34,038 INFO L93 Difference]: Finished difference Result 2424 states and 3361 transitions. [2020-10-14 20:58:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:58:34,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-10-14 20:58:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:34,050 INFO L225 Difference]: With dead ends: 2424 [2020-10-14 20:58:34,050 INFO L226 Difference]: Without dead ends: 1611 [2020-10-14 20:58:34,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:58:34,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-10-14 20:58:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1599. [2020-10-14 20:58:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1599 states. [2020-10-14 20:58:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2014 transitions. [2020-10-14 20:58:34,116 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2014 transitions. Word has length 104 [2020-10-14 20:58:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:34,117 INFO L479 AbstractCegarLoop]: Abstraction has 1599 states and 2014 transitions. [2020-10-14 20:58:34,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2014 transitions. [2020-10-14 20:58:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 20:58:34,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:34,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:34,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:58:34,123 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:34,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:34,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1980771380, now seen corresponding path program 1 times [2020-10-14 20:58:34,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:34,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17515799] [2020-10-14 20:58:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:34,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:34,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-14 20:58:34,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-14 20:58:34,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:34,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:58:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 20:58:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:34,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:34,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:34,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:34,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:58:34,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:34,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:34,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:58:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-14 20:58:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:34,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:58:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:34,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17515799] [2020-10-14 20:58:34,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:34,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:58:34,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143061670] [2020-10-14 20:58:34,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:58:34,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:34,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:58:34,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:58:34,957 INFO L87 Difference]: Start difference. First operand 1599 states and 2014 transitions. Second operand 5 states. [2020-10-14 20:58:37,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:37,347 INFO L93 Difference]: Finished difference Result 3415 states and 4501 transitions. [2020-10-14 20:58:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:58:37,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-10-14 20:58:37,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:37,362 INFO L225 Difference]: With dead ends: 3415 [2020-10-14 20:58:37,363 INFO L226 Difference]: Without dead ends: 2200 [2020-10-14 20:58:37,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:58:37,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2020-10-14 20:58:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2185. [2020-10-14 20:58:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-14 20:58:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2740 transitions. [2020-10-14 20:58:37,434 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2740 transitions. Word has length 161 [2020-10-14 20:58:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:37,435 INFO L479 AbstractCegarLoop]: Abstraction has 2185 states and 2740 transitions. [2020-10-14 20:58:37,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:58:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2740 transitions. [2020-10-14 20:58:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-14 20:58:37,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:37,441 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:58:37,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:58:37,441 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2096041879, now seen corresponding path program 1 times [2020-10-14 20:58:37,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:37,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255909930] [2020-10-14 20:58:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:38,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-14 20:58:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:58:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2179 [2020-10-14 20:58:39,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:39,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:58:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:58:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:39,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:39,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:39,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:39,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:39,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:58:39,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:39,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:39,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:39,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:39,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:39,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:39,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:39,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:39,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:39,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:39,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 20:58:39,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:39,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:58:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:39,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:40,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:40,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:40,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 20:58:40,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:40,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:58:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:58:40,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255909930] [2020-10-14 20:58:40,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:40,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:40,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887150422] [2020-10-14 20:58:40,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:40,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:40,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:40,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:40,268 INFO L87 Difference]: Start difference. First operand 2185 states and 2740 transitions. Second operand 7 states. [2020-10-14 20:58:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:43,089 INFO L93 Difference]: Finished difference Result 4397 states and 5627 transitions. [2020-10-14 20:58:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:58:43,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-14 20:58:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:43,110 INFO L225 Difference]: With dead ends: 4397 [2020-10-14 20:58:43,110 INFO L226 Difference]: Without dead ends: 2596 [2020-10-14 20:58:43,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:58:43,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2020-10-14 20:58:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2581. [2020-10-14 20:58:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2581 states. [2020-10-14 20:58:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3222 transitions. [2020-10-14 20:58:43,187 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3222 transitions. Word has length 220 [2020-10-14 20:58:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:43,188 INFO L479 AbstractCegarLoop]: Abstraction has 2581 states and 3222 transitions. [2020-10-14 20:58:43,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3222 transitions. [2020-10-14 20:58:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 20:58:43,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:43,193 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:58:43,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:58:43,194 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:43,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:43,195 INFO L82 PathProgramCache]: Analyzing trace with hash -810064989, now seen corresponding path program 1 times [2020-10-14 20:58:43,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:43,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261814486] [2020-10-14 20:58:43,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:43,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 20:58:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-14 20:58:44,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:44,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:58:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 20:58:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:44,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:44,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:44,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:58:44,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:44,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:44,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:44,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:44,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:44,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:44,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:44,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 20:58:44,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:44,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:44,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:58:44,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 20:58:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:44,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:58:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:58:44,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261814486] [2020-10-14 20:58:44,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:44,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:58:44,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85851323] [2020-10-14 20:58:44,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:58:44,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:44,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:58:44,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:58:44,513 INFO L87 Difference]: Start difference. First operand 2581 states and 3222 transitions. Second operand 5 states. [2020-10-14 20:58:47,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:47,101 INFO L93 Difference]: Finished difference Result 5565 states and 7210 transitions. [2020-10-14 20:58:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:58:47,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-10-14 20:58:47,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:47,126 INFO L225 Difference]: With dead ends: 5565 [2020-10-14 20:58:47,126 INFO L226 Difference]: Without dead ends: 3368 [2020-10-14 20:58:47,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:58:47,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2020-10-14 20:58:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3166. [2020-10-14 20:58:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3166 states. [2020-10-14 20:58:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 3916 transitions. [2020-10-14 20:58:47,231 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 3916 transitions. Word has length 230 [2020-10-14 20:58:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:47,231 INFO L479 AbstractCegarLoop]: Abstraction has 3166 states and 3916 transitions. [2020-10-14 20:58:47,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:58:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3916 transitions. [2020-10-14 20:58:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 20:58:47,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:47,238 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:58:47,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:58:47,238 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:47,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:47,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1680754717, now seen corresponding path program 1 times [2020-10-14 20:58:47,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:47,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925877652] [2020-10-14 20:58:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:47,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 20:58:48,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:58:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1656 [2020-10-14 20:58:48,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:48,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 20:58:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:58:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:49,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:49,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:49,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:49,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:58:49,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:49,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:49,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:49,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:49,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:49,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:58:49,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:49,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 20:58:49,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:49,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:58:49,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:58:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:49,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:49,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:49,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:49,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 20:58:49,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:49,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:58:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:58:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:58:49,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925877652] [2020-10-14 20:58:49,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:49,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:49,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38527710] [2020-10-14 20:58:49,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:49,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:49,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:49,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:49,806 INFO L87 Difference]: Start difference. First operand 3166 states and 3916 transitions. Second operand 7 states. [2020-10-14 20:58:53,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:53,309 INFO L93 Difference]: Finished difference Result 6937 states and 8850 transitions. [2020-10-14 20:58:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:58:53,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-14 20:58:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:53,332 INFO L225 Difference]: With dead ends: 6937 [2020-10-14 20:58:53,332 INFO L226 Difference]: Without dead ends: 4155 [2020-10-14 20:58:53,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:58:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2020-10-14 20:58:53,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4132. [2020-10-14 20:58:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4132 states. [2020-10-14 20:58:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 5180 transitions. [2020-10-14 20:58:53,439 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 5180 transitions. Word has length 230 [2020-10-14 20:58:53,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:53,440 INFO L479 AbstractCegarLoop]: Abstraction has 4132 states and 5180 transitions. [2020-10-14 20:58:53,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 5180 transitions. [2020-10-14 20:58:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 20:58:53,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:53,445 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:53,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:58:53,446 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:53,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:53,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2090241545, now seen corresponding path program 1 times [2020-10-14 20:58:53,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:53,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110580096] [2020-10-14 20:58:53,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:55,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:57,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 20:58:57,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:58:57,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3507 [2020-10-14 20:58:57,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:57,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 20:58:57,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:58:57,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:57,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:57,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:57,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:57,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:58:57,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-14 20:58:57,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:57,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:57,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:57,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 20:58:57,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:58:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:57,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:57,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:58:57,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:57,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 20:58:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 46 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:58:58,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110580096] [2020-10-14 20:58:58,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:58,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:58,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109276723] [2020-10-14 20:58:58,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:58,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:58,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:58,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:58,129 INFO L87 Difference]: Start difference. First operand 4132 states and 5180 transitions. Second operand 7 states. [2020-10-14 20:59:00,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:00,966 INFO L93 Difference]: Finished difference Result 9631 states and 12499 transitions. [2020-10-14 20:59:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:59:00,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 20:59:00,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:01,002 INFO L225 Difference]: With dead ends: 9631 [2020-10-14 20:59:01,003 INFO L226 Difference]: Without dead ends: 5883 [2020-10-14 20:59:01,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:59:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2020-10-14 20:59:01,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5300. [2020-10-14 20:59:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5300 states. [2020-10-14 20:59:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 6601 transitions. [2020-10-14 20:59:01,139 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 6601 transitions. Word has length 235 [2020-10-14 20:59:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:01,140 INFO L479 AbstractCegarLoop]: Abstraction has 5300 states and 6601 transitions. [2020-10-14 20:59:01,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 6601 transitions. [2020-10-14 20:59:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 20:59:01,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:01,145 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:01,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:59:01,146 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:01,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:01,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1498972114, now seen corresponding path program 1 times [2020-10-14 20:59:01,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:01,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767175918] [2020-10-14 20:59:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:01,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:01,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:03,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 20:59:03,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1976 [2020-10-14 20:59:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:03,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:59:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:03,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:03,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:03,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:03,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:03,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:03,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:03,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:59:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 20:59:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:03,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:59:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:59:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:03,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 20:59:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:03,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:03,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767175918] [2020-10-14 20:59:03,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:03,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:03,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769023263] [2020-10-14 20:59:03,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:03,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:03,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:03,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:03,823 INFO L87 Difference]: Start difference. First operand 5300 states and 6601 transitions. Second operand 7 states. [2020-10-14 20:59:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:07,002 INFO L93 Difference]: Finished difference Result 10860 states and 13654 transitions. [2020-10-14 20:59:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:07,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-14 20:59:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:07,042 INFO L225 Difference]: With dead ends: 10860 [2020-10-14 20:59:07,042 INFO L226 Difference]: Without dead ends: 5944 [2020-10-14 20:59:07,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2020-10-14 20:59:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5913. [2020-10-14 20:59:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2020-10-14 20:59:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7373 transitions. [2020-10-14 20:59:07,196 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7373 transitions. Word has length 251 [2020-10-14 20:59:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:07,197 INFO L479 AbstractCegarLoop]: Abstraction has 5913 states and 7373 transitions. [2020-10-14 20:59:07,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7373 transitions. [2020-10-14 20:59:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-14 20:59:07,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:07,203 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:07,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:59:07,203 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2069871208, now seen corresponding path program 1 times [2020-10-14 20:59:07,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:07,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672989742] [2020-10-14 20:59:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:07,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 20:59:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-10-14 20:59:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:08,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 20:59:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 20:59:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:08,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:08,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:08,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:08,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:08,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:08,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:08,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:08,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:59:08,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:08,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:08,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:08,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:08,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:59:08,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 20:59:08,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:08,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:59:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 20:59:08,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672989742] [2020-10-14 20:59:08,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:08,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:59:08,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435570714] [2020-10-14 20:59:08,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:59:08,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:08,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:59:08,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:08,694 INFO L87 Difference]: Start difference. First operand 5913 states and 7373 transitions. Second operand 5 states. [2020-10-14 20:59:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:11,244 INFO L93 Difference]: Finished difference Result 12220 states and 15521 transitions. [2020-10-14 20:59:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:11,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2020-10-14 20:59:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:11,270 INFO L225 Difference]: With dead ends: 12220 [2020-10-14 20:59:11,271 INFO L226 Difference]: Without dead ends: 6501 [2020-10-14 20:59:11,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6501 states. [2020-10-14 20:59:11,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6501 to 6482. [2020-10-14 20:59:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6482 states. [2020-10-14 20:59:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6482 states to 6482 states and 8016 transitions. [2020-10-14 20:59:11,408 INFO L78 Accepts]: Start accepts. Automaton has 6482 states and 8016 transitions. Word has length 257 [2020-10-14 20:59:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:11,408 INFO L479 AbstractCegarLoop]: Abstraction has 6482 states and 8016 transitions. [2020-10-14 20:59:11,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:59:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6482 states and 8016 transitions. [2020-10-14 20:59:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-14 20:59:11,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:11,416 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:11,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:59:11,417 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:11,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:11,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1164381603, now seen corresponding path program 1 times [2020-10-14 20:59:11,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:11,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638054375] [2020-10-14 20:59:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:11,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:11,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:12,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-14 20:59:13,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2092 [2020-10-14 20:59:13,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-14 20:59:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:13,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 20:59:13,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 20:59:13,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 20:59:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 20:59:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:14,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:14,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:14,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 20:59:14,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:14,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:14,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:14,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:14,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638054375] [2020-10-14 20:59:14,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:14,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:14,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719958556] [2020-10-14 20:59:14,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:14,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:14,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:14,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:14,276 INFO L87 Difference]: Start difference. First operand 6482 states and 8016 transitions. Second operand 7 states. [2020-10-14 20:59:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:17,034 INFO L93 Difference]: Finished difference Result 12069 states and 15163 transitions. [2020-10-14 20:59:17,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:17,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 289 [2020-10-14 20:59:17,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:17,059 INFO L225 Difference]: With dead ends: 12069 [2020-10-14 20:59:17,060 INFO L226 Difference]: Without dead ends: 7519 [2020-10-14 20:59:17,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:17,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2020-10-14 20:59:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 7480. [2020-10-14 20:59:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7480 states. [2020-10-14 20:59:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7480 states to 7480 states and 9277 transitions. [2020-10-14 20:59:17,229 INFO L78 Accepts]: Start accepts. Automaton has 7480 states and 9277 transitions. Word has length 289 [2020-10-14 20:59:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:17,230 INFO L479 AbstractCegarLoop]: Abstraction has 7480 states and 9277 transitions. [2020-10-14 20:59:17,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 7480 states and 9277 transitions. [2020-10-14 20:59:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-14 20:59:17,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:17,243 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:59:17,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:59:17,244 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:17,244 INFO L82 PathProgramCache]: Analyzing trace with hash -8490990, now seen corresponding path program 1 times [2020-10-14 20:59:17,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:17,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262906922] [2020-10-14 20:59:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:17,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:17,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 20:59:19,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:59:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2009 [2020-10-14 20:59:19,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 20:59:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:19,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:19,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:19,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:19,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:19,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 20:59:19,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:59:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:20,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262906922] [2020-10-14 20:59:20,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:20,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:20,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268200815] [2020-10-14 20:59:20,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:20,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:20,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:20,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:20,046 INFO L87 Difference]: Start difference. First operand 7480 states and 9277 transitions. Second operand 7 states. [2020-10-14 20:59:23,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:23,331 INFO L93 Difference]: Finished difference Result 17176 states and 22361 transitions. [2020-10-14 20:59:23,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:23,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2020-10-14 20:59:23,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:23,373 INFO L225 Difference]: With dead ends: 17176 [2020-10-14 20:59:23,373 INFO L226 Difference]: Without dead ends: 10080 [2020-10-14 20:59:23,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:23,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10080 states. [2020-10-14 20:59:23,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10080 to 9982. [2020-10-14 20:59:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9982 states. [2020-10-14 20:59:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 12423 transitions. [2020-10-14 20:59:23,608 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 12423 transitions. Word has length 298 [2020-10-14 20:59:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:23,609 INFO L479 AbstractCegarLoop]: Abstraction has 9982 states and 12423 transitions. [2020-10-14 20:59:23,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 12423 transitions. [2020-10-14 20:59:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-14 20:59:23,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:23,624 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:23,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:59:23,624 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:23,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:23,625 INFO L82 PathProgramCache]: Analyzing trace with hash -883545032, now seen corresponding path program 1 times [2020-10-14 20:59:23,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:23,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035713128] [2020-10-14 20:59:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:25,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:28,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-14 20:59:28,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:59:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4672 [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 221 [2020-10-14 20:59:28,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:28,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:28,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:28,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:28,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:28,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:28,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 20:59:28,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:28,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:28,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:28,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:59:29,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:29,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-14 20:59:29,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 20:59:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:29,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:59:29,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:59:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:59:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-14 20:59:29,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035713128] [2020-10-14 20:59:29,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:29,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:59:29,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949632965] [2020-10-14 20:59:29,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:59:29,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:29,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:59:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:29,266 INFO L87 Difference]: Start difference. First operand 9982 states and 12423 transitions. Second operand 6 states. [2020-10-14 20:59:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:31,280 INFO L93 Difference]: Finished difference Result 17470 states and 21941 transitions. [2020-10-14 20:59:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:31,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 348 [2020-10-14 20:59:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:31,303 INFO L225 Difference]: With dead ends: 17470 [2020-10-14 20:59:31,303 INFO L226 Difference]: Without dead ends: 10002 [2020-10-14 20:59:31,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10002 states. [2020-10-14 20:59:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10002 to 9980. [2020-10-14 20:59:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9980 states. [2020-10-14 20:59:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 9980 states and 11934 transitions. [2020-10-14 20:59:31,486 INFO L78 Accepts]: Start accepts. Automaton has 9980 states and 11934 transitions. Word has length 348 [2020-10-14 20:59:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:31,487 INFO L479 AbstractCegarLoop]: Abstraction has 9980 states and 11934 transitions. [2020-10-14 20:59:31,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:59:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9980 states and 11934 transitions. [2020-10-14 20:59:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-14 20:59:31,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:31,505 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:31,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:59:31,506 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:31,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:31,506 INFO L82 PathProgramCache]: Analyzing trace with hash 36501539, now seen corresponding path program 1 times [2020-10-14 20:59:31,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:31,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714184006] [2020-10-14 20:59:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:31,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:31,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:31,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-14 20:59:33,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2320 [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 20:59:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:33,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:33,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:34,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:34,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:34,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 20:59:34,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 20:59:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:34,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:34,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:34,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 20:59:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 172 proven. 89 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 20:59:34,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714184006] [2020-10-14 20:59:34,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:34,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:34,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338776063] [2020-10-14 20:59:34,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:34,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:34,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:34,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:34,305 INFO L87 Difference]: Start difference. First operand 9980 states and 11934 transitions. Second operand 7 states. [2020-10-14 20:59:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:37,647 INFO L93 Difference]: Finished difference Result 19017 states and 22810 transitions. [2020-10-14 20:59:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:37,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 353 [2020-10-14 20:59:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:37,670 INFO L225 Difference]: With dead ends: 19017 [2020-10-14 20:59:37,670 INFO L226 Difference]: Without dead ends: 9421 [2020-10-14 20:59:37,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:37,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2020-10-14 20:59:37,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 9393. [2020-10-14 20:59:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9393 states. [2020-10-14 20:59:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9393 states to 9393 states and 11026 transitions. [2020-10-14 20:59:37,854 INFO L78 Accepts]: Start accepts. Automaton has 9393 states and 11026 transitions. Word has length 353 [2020-10-14 20:59:37,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:37,855 INFO L479 AbstractCegarLoop]: Abstraction has 9393 states and 11026 transitions. [2020-10-14 20:59:37,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 9393 states and 11026 transitions. [2020-10-14 20:59:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-14 20:59:37,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:37,884 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, 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, 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, 3, 3, 3, 3, 3, 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] [2020-10-14 20:59:37,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:59:37,884 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:37,885 INFO L82 PathProgramCache]: Analyzing trace with hash 76704016, now seen corresponding path program 1 times [2020-10-14 20:59:37,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:37,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704850467] [2020-10-14 20:59:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-14 20:59:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:40,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:59:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:40,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:59:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:40,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-14 20:59:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 20:59:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 20:59:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-14 20:59:41,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704850467] [2020-10-14 20:59:41,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:41,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:59:41,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209263270] [2020-10-14 20:59:41,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:59:41,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:41,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:59:41,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:41,127 INFO L87 Difference]: Start difference. First operand 9393 states and 11026 transitions. Second operand 6 states. [2020-10-14 20:59:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:42,710 INFO L93 Difference]: Finished difference Result 16477 states and 19443 transitions. [2020-10-14 20:59:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:42,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 391 [2020-10-14 20:59:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:42,733 INFO L225 Difference]: With dead ends: 16477 [2020-10-14 20:59:42,733 INFO L226 Difference]: Without dead ends: 9402 [2020-10-14 20:59:42,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2020-10-14 20:59:42,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 9381. [2020-10-14 20:59:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9381 states. [2020-10-14 20:59:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9381 states to 9381 states and 10994 transitions. [2020-10-14 20:59:42,900 INFO L78 Accepts]: Start accepts. Automaton has 9381 states and 10994 transitions. Word has length 391 [2020-10-14 20:59:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:42,900 INFO L479 AbstractCegarLoop]: Abstraction has 9381 states and 10994 transitions. [2020-10-14 20:59:42,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:59:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 9381 states and 10994 transitions. [2020-10-14 20:59:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-10-14 20:59:42,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:42,915 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, 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, 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, 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 20:59:42,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:59:42,915 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:42,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1702647797, now seen corresponding path program 1 times [2020-10-14 20:59:42,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:42,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901270371] [2020-10-14 20:59:42,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-14 20:59:44,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1611 [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-14 20:59:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 20:59:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:44,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:44,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:44,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:44,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 20:59:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-14 20:59:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 20:59:44,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:59:44,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 20:59:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 266 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 20:59:45,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901270371] [2020-10-14 20:59:45,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:45,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:45,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420788173] [2020-10-14 20:59:45,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:45,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:45,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:45,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:45,259 INFO L87 Difference]: Start difference. First operand 9381 states and 10994 transitions. Second operand 7 states. [2020-10-14 20:59:48,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:48,114 INFO L93 Difference]: Finished difference Result 18645 states and 21863 transitions. [2020-10-14 20:59:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:48,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 398 [2020-10-14 20:59:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:48,136 INFO L225 Difference]: With dead ends: 18645 [2020-10-14 20:59:48,136 INFO L226 Difference]: Without dead ends: 9648 [2020-10-14 20:59:48,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 20:59:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9648 states. [2020-10-14 20:59:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9648 to 9611. [2020-10-14 20:59:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9611 states. [2020-10-14 20:59:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 11163 transitions. [2020-10-14 20:59:48,311 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 11163 transitions. Word has length 398 [2020-10-14 20:59:48,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:48,312 INFO L479 AbstractCegarLoop]: Abstraction has 9611 states and 11163 transitions. [2020-10-14 20:59:48,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 11163 transitions. [2020-10-14 20:59:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2020-10-14 20:59:48,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:48,333 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:59:48,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:59:48,334 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1241293172, now seen corresponding path program 1 times [2020-10-14 20:59:48,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:48,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142871181] [2020-10-14 20:59:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:50,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 485 [2020-10-14 20:59:53,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:59:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 357 [2020-10-14 20:59:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:53,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:59:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 20:59:53,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:59:53,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:59:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 20:59:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:53,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 20:59:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:54,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:54,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:54,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:59:54,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-14 20:59:54,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:54,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:59:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 20:59:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:54,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:54,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:54,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:59:54,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:54,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:59:54,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:54,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:54,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 20:59:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 102 proven. 264 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-10-14 20:59:54,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142871181] [2020-10-14 20:59:54,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:54,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:59:54,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229161165] [2020-10-14 20:59:54,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 20:59:54,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:54,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 20:59:54,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 20:59:54,718 INFO L87 Difference]: Start difference. First operand 9611 states and 11163 transitions. Second operand 9 states. [2020-10-14 20:59:58,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:58,493 INFO L93 Difference]: Finished difference Result 20232 states and 23634 transitions. [2020-10-14 20:59:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 20:59:58,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 469 [2020-10-14 20:59:58,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:58,517 INFO L225 Difference]: With dead ends: 20232 [2020-10-14 20:59:58,518 INFO L226 Difference]: Without dead ends: 12357 [2020-10-14 20:59:58,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-10-14 20:59:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12357 states. [2020-10-14 20:59:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12357 to 12314. [2020-10-14 20:59:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12314 states. [2020-10-14 20:59:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12314 states to 12314 states and 14114 transitions. [2020-10-14 20:59:58,712 INFO L78 Accepts]: Start accepts. Automaton has 12314 states and 14114 transitions. Word has length 469 [2020-10-14 20:59:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:58,713 INFO L479 AbstractCegarLoop]: Abstraction has 12314 states and 14114 transitions. [2020-10-14 20:59:58,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 20:59:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 12314 states and 14114 transitions. [2020-10-14 20:59:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2020-10-14 20:59:58,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:58,740 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:59:58,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 20:59:58,740 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:58,741 INFO L82 PathProgramCache]: Analyzing trace with hash 207166472, now seen corresponding path program 1 times [2020-10-14 20:59:58,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:58,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151986260] [2020-10-14 20:59:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:58,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:59,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 564 [2020-10-14 21:00:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1477 [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 442 [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 21:00:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 21:00:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:00,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:00,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-14 21:00:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 21:00:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-14 21:00:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 21:00:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-14 21:00:00,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151986260] [2020-10-14 21:00:00,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:00,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:00,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057641890] [2020-10-14 21:00:00,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:00,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:00,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:00,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:00,900 INFO L87 Difference]: Start difference. First operand 12314 states and 14114 transitions. Second operand 7 states. [2020-10-14 21:00:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:04,619 INFO L93 Difference]: Finished difference Result 22343 states and 26001 transitions. [2020-10-14 21:00:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:04,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 548 [2020-10-14 21:00:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:04,648 INFO L225 Difference]: With dead ends: 22343 [2020-10-14 21:00:04,648 INFO L226 Difference]: Without dead ends: 14083 [2020-10-14 21:00:04,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 21:00:04,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14083 states. [2020-10-14 21:00:04,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14083 to 13464. [2020-10-14 21:00:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13464 states. [2020-10-14 21:00:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13464 states to 13464 states and 15409 transitions. [2020-10-14 21:00:04,859 INFO L78 Accepts]: Start accepts. Automaton has 13464 states and 15409 transitions. Word has length 548 [2020-10-14 21:00:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:04,860 INFO L479 AbstractCegarLoop]: Abstraction has 13464 states and 15409 transitions. [2020-10-14 21:00:04,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 13464 states and 15409 transitions. [2020-10-14 21:00:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2020-10-14 21:00:04,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:04,888 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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 21:00:04,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:00:04,889 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:04,889 INFO L82 PathProgramCache]: Analyzing trace with hash 191369505, now seen corresponding path program 1 times [2020-10-14 21:00:04,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:04,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813606215] [2020-10-14 21:00:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:05,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:05,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 597 [2020-10-14 21:00:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 465 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 21:00:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:10,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:10,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:10,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:10,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:10,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:10,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 21:00:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-14 21:00:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:00:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-14 21:00:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:00:10,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:00:10,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:00:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 501 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-10-14 21:00:10,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813606215] [2020-10-14 21:00:10,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:10,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:10,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67571038] [2020-10-14 21:00:10,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:10,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:10,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:10,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:10,693 INFO L87 Difference]: Start difference. First operand 13464 states and 15409 transitions. Second operand 7 states. [2020-10-14 21:00:14,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:14,066 INFO L93 Difference]: Finished difference Result 30198 states and 34917 transitions. [2020-10-14 21:00:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:14,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 579 [2020-10-14 21:00:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:14,096 INFO L225 Difference]: With dead ends: 30198 [2020-10-14 21:00:14,096 INFO L226 Difference]: Without dead ends: 17118 [2020-10-14 21:00:14,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 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 21:00:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2020-10-14 21:00:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 16696. [2020-10-14 21:00:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16696 states. [2020-10-14 21:00:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16696 states to 16696 states and 19272 transitions. [2020-10-14 21:00:14,322 INFO L78 Accepts]: Start accepts. Automaton has 16696 states and 19272 transitions. Word has length 579 [2020-10-14 21:00:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:14,322 INFO L479 AbstractCegarLoop]: Abstraction has 16696 states and 19272 transitions. [2020-10-14 21:00:14,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16696 states and 19272 transitions. [2020-10-14 21:00:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-10-14 21:00:14,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:14,346 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:14,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:00:14,346 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:14,347 INFO L82 PathProgramCache]: Analyzing trace with hash -309984972, now seen corresponding path program 1 times [2020-10-14 21:00:14,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:14,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091817893] [2020-10-14 21:00:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:15,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:16,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:16,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 635 [2020-10-14 21:00:16,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2426 [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:00:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:16,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:16,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:16,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:16,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:17,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:00:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:17,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 21:00:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-14 21:00:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:17,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:00:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-14 21:00:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:00:17,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 302 proven. 168 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2020-10-14 21:00:17,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091817893] [2020-10-14 21:00:17,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:17,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:17,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879342106] [2020-10-14 21:00:17,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:17,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:17,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:17,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:17,654 INFO L87 Difference]: Start difference. First operand 16696 states and 19272 transitions. Second operand 7 states. [2020-10-14 21:00:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:21,416 INFO L93 Difference]: Finished difference Result 30971 states and 36337 transitions. [2020-10-14 21:00:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:21,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 617 [2020-10-14 21:00:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:21,448 INFO L225 Difference]: With dead ends: 30971 [2020-10-14 21:00:21,448 INFO L226 Difference]: Without dead ends: 17733 [2020-10-14 21:00:21,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:21,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17733 states. [2020-10-14 21:00:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17733 to 16468. [2020-10-14 21:00:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16468 states. [2020-10-14 21:00:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16468 states to 16468 states and 18769 transitions. [2020-10-14 21:00:21,649 INFO L78 Accepts]: Start accepts. Automaton has 16468 states and 18769 transitions. Word has length 617 [2020-10-14 21:00:21,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:21,649 INFO L479 AbstractCegarLoop]: Abstraction has 16468 states and 18769 transitions. [2020-10-14 21:00:21,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 16468 states and 18769 transitions. [2020-10-14 21:00:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-10-14 21:00:21,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:21,666 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 21:00:21,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:00:21,666 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:21,667 INFO L82 PathProgramCache]: Analyzing trace with hash 635314510, now seen corresponding path program 1 times [2020-10-14 21:00:21,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:21,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654024786] [2020-10-14 21:00:21,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:26,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 698 [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:26,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:00:26,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 21:00:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:26,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:26,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:26,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:26,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:26,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:26,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:26,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:00:26,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:00:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:00:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:27,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:27,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 21:00:27,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 21:00:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-14 21:00:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:27,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:27,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:27,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:27,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:27,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:27,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-14 21:00:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:27,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:00:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:27,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:27,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:00:27,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:27,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 267 proven. 351 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2020-10-14 21:00:27,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654024786] [2020-10-14 21:00:27,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:27,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:27,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833921807] [2020-10-14 21:00:27,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:27,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:27,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:27,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:27,650 INFO L87 Difference]: Start difference. First operand 16468 states and 18769 transitions. Second operand 7 states. [2020-10-14 21:00:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:30,713 INFO L93 Difference]: Finished difference Result 34471 states and 39943 transitions. [2020-10-14 21:00:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:30,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 680 [2020-10-14 21:00:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:30,767 INFO L225 Difference]: With dead ends: 34471 [2020-10-14 21:00:30,767 INFO L226 Difference]: Without dead ends: 18387 [2020-10-14 21:00:30,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18387 states. [2020-10-14 21:00:31,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18387 to 18172. [2020-10-14 21:00:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18172 states. [2020-10-14 21:00:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18172 states to 18172 states and 20558 transitions. [2020-10-14 21:00:31,156 INFO L78 Accepts]: Start accepts. Automaton has 18172 states and 20558 transitions. Word has length 680 [2020-10-14 21:00:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:31,156 INFO L479 AbstractCegarLoop]: Abstraction has 18172 states and 20558 transitions. [2020-10-14 21:00:31,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 18172 states and 20558 transitions. [2020-10-14 21:00:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2020-10-14 21:00:31,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:31,185 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-10-14 21:00:31,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:00:31,185 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:31,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1634326818, now seen corresponding path program 1 times [2020-10-14 21:00:31,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:31,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430636858] [2020-10-14 21:00:31,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:31,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:32,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 714 [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3016 [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-14 21:00:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:00:34,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:34,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:00:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 21:00:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:34,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:34,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-10-14 21:00:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:34,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:34,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:35,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-10-14 21:00:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:35,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 421 proven. 168 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2020-10-14 21:00:35,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430636858] [2020-10-14 21:00:35,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:35,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:35,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753181947] [2020-10-14 21:00:35,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:35,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:35,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:35,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:35,412 INFO L87 Difference]: Start difference. First operand 18172 states and 20558 transitions. Second operand 7 states. [2020-10-14 21:00:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:38,171 INFO L93 Difference]: Finished difference Result 36396 states and 41298 transitions. [2020-10-14 21:00:38,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:38,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 694 [2020-10-14 21:00:38,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:38,207 INFO L225 Difference]: With dead ends: 36396 [2020-10-14 21:00:38,207 INFO L226 Difference]: Without dead ends: 18608 [2020-10-14 21:00:38,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 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 21:00:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18608 states. [2020-10-14 21:00:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18608 to 18188. [2020-10-14 21:00:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18188 states. [2020-10-14 21:00:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18188 states to 18188 states and 20569 transitions. [2020-10-14 21:00:38,480 INFO L78 Accepts]: Start accepts. Automaton has 18188 states and 20569 transitions. Word has length 694 [2020-10-14 21:00:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:38,481 INFO L479 AbstractCegarLoop]: Abstraction has 18188 states and 20569 transitions. [2020-10-14 21:00:38,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 18188 states and 20569 transitions. [2020-10-14 21:00:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2020-10-14 21:00:38,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:38,504 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, 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, 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, 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, 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] [2020-10-14 21:00:38,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:00:38,505 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:38,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:38,506 INFO L82 PathProgramCache]: Analyzing trace with hash -650518892, now seen corresponding path program 1 times [2020-10-14 21:00:38,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:38,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477927383] [2020-10-14 21:00:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:38,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:40,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:41,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 735 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 475 [2020-10-14 21:00:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 21:00:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:43,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:00:44,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 21:00:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 21:00:44,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 21:00:44,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-10-14 21:00:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 21:00:44,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:00:44,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2020-10-14 21:00:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 21:00:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 597 proven. 89 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2020-10-14 21:00:44,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477927383] [2020-10-14 21:00:44,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:44,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:44,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984247428] [2020-10-14 21:00:44,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:44,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:44,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:44,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:44,819 INFO L87 Difference]: Start difference. First operand 18188 states and 20569 transitions. Second operand 7 states. [2020-10-14 21:00:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:48,860 INFO L93 Difference]: Finished difference Result 37728 states and 42681 transitions. [2020-10-14 21:00:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:48,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 715 [2020-10-14 21:00:48,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:48,894 INFO L225 Difference]: With dead ends: 37728 [2020-10-14 21:00:48,894 INFO L226 Difference]: Without dead ends: 19924 [2020-10-14 21:00:48,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19924 states. [2020-10-14 21:00:49,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19924 to 19698. [2020-10-14 21:00:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19698 states. [2020-10-14 21:00:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19698 states to 19698 states and 22059 transitions. [2020-10-14 21:00:49,163 INFO L78 Accepts]: Start accepts. Automaton has 19698 states and 22059 transitions. Word has length 715 [2020-10-14 21:00:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:49,163 INFO L479 AbstractCegarLoop]: Abstraction has 19698 states and 22059 transitions. [2020-10-14 21:00:49,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 19698 states and 22059 transitions. [2020-10-14 21:00:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2020-10-14 21:00:49,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:49,187 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 21:00:49,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:00:49,187 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1931969309, now seen corresponding path program 1 times [2020-10-14 21:00:49,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:49,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739591511] [2020-10-14 21:00:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:49,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:51,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 736 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2520 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 340 [2020-10-14 21:00:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:00:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:51,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:51,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:51,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:51,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:51,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:51,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 21:00:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:00:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-14 21:00:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:52,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:52,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:00:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:52,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:52,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:52,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-10-14 21:00:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:52,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:52,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:52,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:52,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-10-14 21:00:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:52,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:52,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:52,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 302 proven. 168 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2020-10-14 21:00:52,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739591511] [2020-10-14 21:00:52,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:52,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:52,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412748020] [2020-10-14 21:00:52,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:52,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:52,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:52,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:52,595 INFO L87 Difference]: Start difference. First operand 19698 states and 22059 transitions. Second operand 7 states. [2020-10-14 21:00:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:55,921 INFO L93 Difference]: Finished difference Result 36126 states and 40614 transitions. [2020-10-14 21:00:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:55,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 718 [2020-10-14 21:00:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:55,958 INFO L225 Difference]: With dead ends: 36126 [2020-10-14 21:00:55,959 INFO L226 Difference]: Without dead ends: 20866 [2020-10-14 21:00:55,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20866 states. [2020-10-14 21:00:56,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20866 to 19508. [2020-10-14 21:00:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19508 states. [2020-10-14 21:00:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19508 states to 19508 states and 21838 transitions. [2020-10-14 21:00:56,175 INFO L78 Accepts]: Start accepts. Automaton has 19508 states and 21838 transitions. Word has length 718 [2020-10-14 21:00:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:56,176 INFO L479 AbstractCegarLoop]: Abstraction has 19508 states and 21838 transitions. [2020-10-14 21:00:56,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 19508 states and 21838 transitions. [2020-10-14 21:00:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-10-14 21:00:56,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:56,199 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:00:56,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:00:56,199 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:56,200 INFO L82 PathProgramCache]: Analyzing trace with hash -749646744, now seen corresponding path program 1 times [2020-10-14 21:00:56,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:56,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218691721] [2020-10-14 21:00:56,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:56,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:56,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:57,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:01,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:01,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 775 [2020-10-14 21:01:01,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:01:01,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-14 21:01:01,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:01,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:01:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 379 [2020-10-14 21:01:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 367 [2020-10-14 21:01:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:01,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:01:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:01,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:01,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:01,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:01:01,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:01,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:01:01,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:01,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:01,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:01:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:01,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 21:01:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 21:01:01,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:01,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 21:01:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-10-14 21:01:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:02,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:02,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:01:02,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 21:01:02,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:02,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:01:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:01:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:02,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-14 21:01:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:02,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:02,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:01:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:02,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-10-14 21:01:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:02,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:02,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:01:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 1065 proven. 10 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2020-10-14 21:01:02,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218691721] [2020-10-14 21:01:02,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:02,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:01:02,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627957475] [2020-10-14 21:01:02,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:01:02,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:02,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:01:02,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:01:02,911 INFO L87 Difference]: Start difference. First operand 19508 states and 21838 transitions. Second operand 9 states. [2020-10-14 21:01:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:07,281 INFO L93 Difference]: Finished difference Result 29169 states and 32385 transitions. [2020-10-14 21:01:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:01:07,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 755 [2020-10-14 21:01:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:07,283 INFO L225 Difference]: With dead ends: 29169 [2020-10-14 21:01:07,283 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:01:07,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-14 21:01:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:01:07,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:01:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:01:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:01:07,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 755 [2020-10-14 21:01:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:07,308 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:01:07,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:01:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:01:07,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:01:07,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 21:01:07,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:01:09,393 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 254 [2020-10-14 21:01:09,885 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 254 [2020-10-14 21:01:10,000 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2020-10-14 21:01:10,124 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2020-10-14 21:01:13,333 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 427 DAG size of output: 93 [2020-10-14 21:01:14,786 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 216 DAG size of output: 72 [2020-10-14 21:01:16,187 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 216 DAG size of output: 72 [2020-10-14 21:01:16,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:01:16,193 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 21:01:16,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:01:16,194 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 21:01:16,194 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 21:01:16,194 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 21:01:16,194 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,194 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,195 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 21:01:16,196 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 21:01:16,197 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 21:01:16,197 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,197 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,197 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 21:01:16,200 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,201 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 21:01:16,202 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:01:16,203 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 21:01:16,204 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,205 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse12 (= ~a23~0 |old(~a23~0)|)) (.cse13 (= ~a29~0 |old(~a29~0)|)) (.cse14 (= ~a4~0 |old(~a4~0)|))) (let ((.cse6 (not (<= 246 |old(~a29~0)|))) (.cse11 (not (<= |old(~a29~0)| 244))) (.cse1 (and .cse12 .cse13 (= ~a25~0 12) .cse14)) (.cse3 (not (= 12 |old(~a25~0)|))) (.cse8 (not (<= 141 |old(~a29~0)|))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse4 (not (<= |old(~a23~0)| 600000))) (.cse2 (not (<= ~a8~0 15))) (.cse9 (not (<= (+ |old(~a23~0)| 55) 0))) (.cse5 (and (= ~a25~0 |old(~a25~0)|) .cse12 .cse13 .cse14)) (.cse7 (not (= 9 |old(~a25~0)|))) (.cse10 (not (<= |old(~a4~0)| 0)))) (and (or .cse0 (not (<= |old(~a23~0)| 262)) .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse5 .cse7 (not (<= |old(~a23~0)| 278))) (or .cse0 .cse2 .cse4 .cse8 .cse5 .cse7) (or .cse0 .cse2 .cse4 (not (= 13 |old(~a25~0)|)) .cse5) (or .cse1 .cse2 .cse3 .cse9 .cse6 (not (<= |old(~a29~0)| 275)) .cse10) (or .cse2 .cse9 .cse5 (not (<= (+ |old(~a29~0)| 554036) 0)) .cse7 .cse10) (or .cse0 .cse11 .cse1 .cse2 .cse4 .cse3 .cse8) (or .cse11 .cse1 .cse2 .cse3 .cse9 .cse8 .cse10) (or .cse0 .cse2 .cse4 (not (= 10 |old(~a25~0)|)) .cse5) (or (not (<= 10 |old(~a25~0)|)) .cse2 .cse9 .cse5 (not (<= |old(~a29~0)| 130)) .cse10) (or .cse2 .cse9 (not (<= 278 |old(~a29~0)|)) .cse5 .cse7 .cse10)))) [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 21:01:16,206 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,207 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 21:01:16,208 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,209 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 78) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:01:16,210 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,211 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,212 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,213 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,214 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,215 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 21:01:16,216 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 21:01:16,217 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 21:01:16,217 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,218 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,218 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,218 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,219 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,219 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,219 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,219 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,219 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,220 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,220 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 21:01:16,221 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,222 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,223 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= ~a29~0 130) (<= ~a8~0 15) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-14 21:01:16,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:01:16,224 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (and (<= ~a25~0 10) (<= 10 ~a25~0) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-14 21:01:16,224 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:01:16,225 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse2 (<= 246 ~a29~0)) (.cse8 (= ~a25~0 9)) (.cse0 (<= ~a4~0 0)) (.cse4 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 244)) (.cse1 (= ~a25~0 12)) (.cse3 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a23~0 600000)) (.cse7 (= ~a4~0 1))) (or (and (<= ~a29~0 275) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse6 .cse7 .cse2) (and .cse0 (<= 10 ~a25~0) (<= ~a29~0 130) .cse3) (and .cse8 .cse4 .cse6 .cse7) (and .cse8 .cse0 (<= 278 ~a29~0) .cse3) (and .cse8 (<= ~a23~0 278) .cse7) (not (= |old(~a4~0)| 1)) (and .cse8 .cse0 (<= (+ ~a29~0 554036) 0) .cse3) (and (= ~a25~0 13) .cse6 .cse7) (and .cse1 (<= ~a23~0 262) .cse7) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (and .cse0 .cse4 .cse5 .cse1 .cse3) (and (= ~a25~0 10) .cse6 .cse7) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-14 21:01:16,225 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 21:01:16,225 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 21:01:16,225 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse2 (<= 246 ~a29~0)) (.cse8 (= ~a25~0 9)) (.cse0 (<= ~a4~0 0)) (.cse4 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 244)) (.cse1 (= ~a25~0 12)) (.cse3 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a23~0 600000)) (.cse7 (= ~a4~0 1))) (or (and (<= ~a29~0 275) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse6 .cse7 .cse2) (and .cse0 (<= 10 ~a25~0) (<= ~a29~0 130) .cse3) (and .cse8 .cse4 .cse6 .cse7) (and .cse8 .cse0 (<= 278 ~a29~0) .cse3) (and .cse8 (<= ~a23~0 278) .cse7) (not (= |old(~a4~0)| 1)) (and .cse8 .cse0 (<= (+ ~a29~0 554036) 0) .cse3) (and (= ~a25~0 13) .cse6 .cse7) (and .cse1 (<= ~a23~0 262) .cse7) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (and .cse0 .cse4 .cse5 .cse1 .cse3) (and (= ~a25~0 10) .cse6 .cse7) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-14 21:01:16,225 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:01:16,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:01:16 BoogieIcfgContainer [2020-10-14 21:01:16,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:01:16,260 INFO L168 Benchmark]: Toolchain (without parser) took 179151.75 ms. Allocated memory was 148.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 102.7 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,261 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.5 MB in the beginning and 123.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.98 ms. Allocated memory was 148.9 MB in the beginning and 210.8 MB in the end (delta: 61.9 MB). Free memory was 102.7 MB in the beginning and 164.8 MB in the end (delta: -62.1 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,262 INFO L168 Benchmark]: Boogie Preprocessor took 204.24 ms. Allocated memory is still 210.8 MB. Free memory was 164.8 MB in the beginning and 157.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,262 INFO L168 Benchmark]: RCFGBuilder took 2144.91 ms. Allocated memory was 210.8 MB in the beginning and 239.6 MB in the end (delta: 28.8 MB). Free memory was 157.6 MB in the beginning and 95.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,263 INFO L168 Benchmark]: TraceAbstraction took 175648.03 ms. Allocated memory was 239.6 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 93.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,266 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.5 MB in the beginning and 123.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1148.98 ms. Allocated memory was 148.9 MB in the beginning and 210.8 MB in the end (delta: 61.9 MB). Free memory was 102.7 MB in the beginning and 164.8 MB in the end (delta: -62.1 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.24 ms. Allocated memory is still 210.8 MB. Free memory was 164.8 MB in the beginning and 157.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2144.91 ms. Allocated memory was 210.8 MB in the beginning and 239.6 MB in the end (delta: 28.8 MB). Free memory was 157.6 MB in the beginning and 95.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 175648.03 ms. Allocated memory was 239.6 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 93.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 78]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((((((a29 <= 275 && a4 <= 0) && a25 == 12) && 246 <= a29) && a23 + 55 <= 0) || ((((141 <= a29 && a29 <= 244) && a25 == 12) && a23 <= 600000) && a4 == 1)) || ((a23 <= 600000 && a4 == 1) && 246 <= a29)) || (((a4 <= 0 && 10 <= a25) && a29 <= 130) && a23 + 55 <= 0)) || (((a25 == 9 && 141 <= a29) && a23 <= 600000) && a4 == 1)) || (((a25 == 9 && a4 <= 0) && 278 <= a29) && a23 + 55 <= 0)) || ((a25 == 9 && a23 <= 278) && a4 == 1)) || !(\old(a4) == 1)) || (((a25 == 9 && a4 <= 0) && a29 + 554036 <= 0) && a23 + 55 <= 0)) || ((a25 == 13 && a23 <= 600000) && a4 == 1)) || ((a25 == 12 && a23 <= 262) && a4 == 1)) || !(312 == \old(a23))) || !(a8 <= 15)) || ((((a4 <= 0 && 141 <= a29) && a29 <= 244) && a25 == 12) && a23 + 55 <= 0)) || ((a25 == 10 && a23 <= 600000) && a4 == 1)) || !(10 == \old(a25))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 166.6s, OverallIterations: 25, TraceHistogramMax: 7, AutomataDifference: 77.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1163 SDtfs, 16963 SDslu, 2105 SDs, 0 SdLazy, 38470 SolverSat, 4966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19698occurred in iteration=23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 25 MinimizatonAttempts, 5748 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1073 PreInvPairs, 1259 NumberOfFragments, 870 HoareAnnotationTreeSize, 1073 FomulaSimplifications, 68530 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20133 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 79.3s InterpolantComputationTime, 9670 NumberOfCodeBlocks, 9670 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 9645 ConstructedInterpolants, 0 QuantifiedInterpolants, 8780187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 12198/13614 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...