/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:46:16,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:46:16,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:46:16,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:46:16,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:46:16,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:46:16,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:46:16,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:46:16,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:46:16,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:46:16,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:46:16,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:46:16,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:46:16,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:46:16,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:46:16,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:46:16,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:46:16,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:46:16,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:46:16,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:46:16,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:46:16,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:46:16,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:46:16,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:46:16,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:46:16,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:46:16,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:46:16,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:46:16,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:46:16,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:46:16,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:46:16,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:46:16,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:46:16,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:46:16,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:46:16,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:46:16,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:46:16,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:46:16,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:46:16,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:46:16,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:46:16,784 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 [2020-10-13 08:46:16,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:46:16,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:46:16,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:46:16,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:46:16,811 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:46:16,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:46:16,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:46:16,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:46:16,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:46:16,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:46:16,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:46:16,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:46:16,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:46:16,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:46:16,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:46:16,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:46:16,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:46:16,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:46:16,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:46:16,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:46:16,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:46:16,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:46:16,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:46:16,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:46:16,816 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:46:17,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:46:17,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:46:17,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:46:17,167 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:46:17,167 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:46:17,168 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05.c [2020-10-13 08:46:17,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb71de2ab/10b3269cc0824be1ab025aa39a818a8f/FLAGc166b2cae [2020-10-13 08:46:17,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:46:17,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label05.c [2020-10-13 08:46:17,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb71de2ab/10b3269cc0824be1ab025aa39a818a8f/FLAGc166b2cae [2020-10-13 08:46:18,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb71de2ab/10b3269cc0824be1ab025aa39a818a8f [2020-10-13 08:46:18,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:46:18,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:46:18,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:46:18,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:46:18,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:46:18,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:46:18" (1/1) ... [2020-10-13 08:46:18,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:18, skipping insertion in model container [2020-10-13 08:46:18,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:46:18" (1/1) ... [2020-10-13 08:46:18,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:46:18,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:46:18,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:46:18,993 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:46:19,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:46:19,148 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:46:19,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19 WrapperNode [2020-10-13 08:46:19,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:46:19,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:46:19,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:46:19,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:46:19,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (1/1) ... [2020-10-13 08:46:19,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:46:19,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:46:19,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:46:19,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:46:19,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (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 [2020-10-13 08:46:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:46:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:46:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:46:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:46:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:46:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:46:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:46:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:46:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:46:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:46:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:46:21,080 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:46:21,080 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:46:21,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:46:21 BoogieIcfgContainer [2020-10-13 08:46:21,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:46:21,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:46:21,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:46:21,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:46:21,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:46:18" (1/3) ... [2020-10-13 08:46:21,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a78c1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:46:21, skipping insertion in model container [2020-10-13 08:46:21,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:46:19" (2/3) ... [2020-10-13 08:46:21,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a78c1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:46:21, skipping insertion in model container [2020-10-13 08:46:21,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:46:21" (3/3) ... [2020-10-13 08:46:21,097 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2020-10-13 08:46:21,108 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:46:21,117 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:46:21,131 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:46:21,155 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:46:21,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:46:21,156 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:46:21,156 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:46:21,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:46:21,156 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:46:21,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:46:21,157 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:46:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:46:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 08:46:21,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:21,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:21,193 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1411665610, now seen corresponding path program 1 times [2020-10-13 08:46:21,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:21,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660231191] [2020-10-13 08:46:21,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:21,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:46:21,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-13 08:46:21,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:46:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:46:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:46:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:46:22,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:22,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:22,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:22,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:22,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:46:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:46:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:46:22,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660231191] [2020-10-13 08:46:22,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:46:22,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:46:22,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078951248] [2020-10-13 08:46:22,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:22,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:22,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:22,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:22,315 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-13 08:46:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:25,433 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-13 08:46:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:46:25,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-10-13 08:46:25,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:25,479 INFO L225 Difference]: With dead ends: 886 [2020-10-13 08:46:25,479 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:25,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:46:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-13 08:46:25,592 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 69 [2020-10-13 08:46:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:25,593 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-13 08:46:25,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-13 08:46:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 08:46:25,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:25,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:25,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:46:25,602 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:25,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1477947551, now seen corresponding path program 1 times [2020-10-13 08:46:25,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:25,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538173245] [2020-10-13 08:46:25,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:25,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:26,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:46:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:46:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1218 [2020-10-13 08:46:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:46:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:46:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:26,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:27,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:27,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:27,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:46:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:27,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:27,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:27,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:27,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:46:27,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:27,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:27,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:46:27,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:27,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:46:27,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:46:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:46:27,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538173245] [2020-10-13 08:46:27,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:27,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:27,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119468871] [2020-10-13 08:46:27,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:27,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:27,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:27,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:27,273 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-10-13 08:46:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:28,547 INFO L93 Difference]: Finished difference Result 1151 states and 1753 transitions. [2020-10-13 08:46:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:28,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-13 08:46:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:28,557 INFO L225 Difference]: With dead ends: 1151 [2020-10-13 08:46:28,557 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:28,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:28,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 782 transitions. [2020-10-13 08:46:28,594 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 782 transitions. Word has length 138 [2020-10-13 08:46:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:28,595 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 782 transitions. [2020-10-13 08:46:28,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 782 transitions. [2020-10-13 08:46:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 08:46:28,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:28,602 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:46:28,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:46:28,602 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1718362455, now seen corresponding path program 1 times [2020-10-13 08:46:28,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:28,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008357408] [2020-10-13 08:46:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:28,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:29,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:30,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:30,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:46:30,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:46:30,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-13 08:46:30,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:46:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:46:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:46:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:30,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:30,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:30,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:46:30,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:30,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:30,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:30,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:46:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:46:30,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:46:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:46:30,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008357408] [2020-10-13 08:46:30,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:30,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:46:30,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132564448] [2020-10-13 08:46:30,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:46:30,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:30,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:46:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:46:30,598 INFO L87 Difference]: Start difference. First operand 560 states and 782 transitions. Second operand 8 states. [2020-10-13 08:46:32,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:32,216 INFO L93 Difference]: Finished difference Result 1200 states and 1662 transitions. [2020-10-13 08:46:32,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:46:32,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-10-13 08:46:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:32,225 INFO L225 Difference]: With dead ends: 1200 [2020-10-13 08:46:32,225 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:32,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:46:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-10-13 08:46:32,267 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 142 [2020-10-13 08:46:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:32,270 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-10-13 08:46:32,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:46:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-10-13 08:46:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-13 08:46:32,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:32,289 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:32,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:46:32,290 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash 628722529, now seen corresponding path program 1 times [2020-10-13 08:46:32,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:32,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339531577] [2020-10-13 08:46:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:32,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:32,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:32,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:37,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:37,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-13 08:46:37,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-13 08:46:37,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-13 08:46:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:46:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:37,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:37,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:37,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:37,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:37,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:46:37,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:37,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:37,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:37,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:37,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:37,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 08:46:37,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:37,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:37,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:37,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:46:37,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:37,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:46:37,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:46:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:46:37,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339531577] [2020-10-13 08:46:37,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:37,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:37,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048779225] [2020-10-13 08:46:37,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:37,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:37,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:37,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:37,964 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 5 states. [2020-10-13 08:46:38,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:38,994 INFO L93 Difference]: Finished difference Result 1136 states and 1375 transitions. [2020-10-13 08:46:38,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:38,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 322 [2020-10-13 08:46:38,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:39,003 INFO L225 Difference]: With dead ends: 1136 [2020-10-13 08:46:39,004 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:39,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:39,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 673 transitions. [2020-10-13 08:46:39,035 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 673 transitions. Word has length 322 [2020-10-13 08:46:39,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:39,038 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 673 transitions. [2020-10-13 08:46:39,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 673 transitions. [2020-10-13 08:46:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-13 08:46:39,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:39,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:39,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:46:39,045 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:39,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1002980813, now seen corresponding path program 1 times [2020-10-13 08:46:39,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:39,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815447997] [2020-10-13 08:46:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:39,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:39,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 08:46:44,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:46:44,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:46:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:46:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:44,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:46:44,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:44,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:44,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:46:44,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:44,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:44,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:46:44,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:44,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:46:44,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:46:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 08:46:44,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815447997] [2020-10-13 08:46:44,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:44,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:44,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949826732] [2020-10-13 08:46:44,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:44,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:44,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:44,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:44,912 INFO L87 Difference]: Start difference. First operand 560 states and 673 transitions. Second operand 5 states. [2020-10-13 08:46:45,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:45,978 INFO L93 Difference]: Finished difference Result 1149 states and 1384 transitions. [2020-10-13 08:46:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:45,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2020-10-13 08:46:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:45,985 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:46:45,985 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:45,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:45,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 671 transitions. [2020-10-13 08:46:46,008 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 671 transitions. Word has length 328 [2020-10-13 08:46:46,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:46,009 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 671 transitions. [2020-10-13 08:46:46,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 671 transitions. [2020-10-13 08:46:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-13 08:46:46,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:46,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:46,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:46:46,016 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:46,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:46,017 INFO L82 PathProgramCache]: Analyzing trace with hash 912304426, now seen corresponding path program 1 times [2020-10-13 08:46:46,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:46,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822974231] [2020-10-13 08:46:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:46,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:46,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:51,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:51,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-13 08:46:51,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 08:46:51,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:46:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-13 08:46:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:46:51,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:51,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:51,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:51,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:51,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:51,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:51,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:51,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:51,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:51,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:51,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:51,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:51,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:51,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:46:51,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:46:51,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:46:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:46:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 08:46:51,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822974231] [2020-10-13 08:46:51,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:51,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:46:51,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338886057] [2020-10-13 08:46:51,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:46:51,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:51,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:46:51,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:46:51,584 INFO L87 Difference]: Start difference. First operand 560 states and 671 transitions. Second operand 5 states. [2020-10-13 08:46:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:52,465 INFO L93 Difference]: Finished difference Result 1130 states and 1361 transitions. [2020-10-13 08:46:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:46:52,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 331 [2020-10-13 08:46:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:52,470 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 08:46:52,470 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:52,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:46:52,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 669 transitions. [2020-10-13 08:46:52,494 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 669 transitions. Word has length 331 [2020-10-13 08:46:52,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:52,495 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 669 transitions. [2020-10-13 08:46:52,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:46:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 669 transitions. [2020-10-13 08:46:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-13 08:46:52,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:52,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:52,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:46:52,499 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:52,499 INFO L82 PathProgramCache]: Analyzing trace with hash 872417337, now seen corresponding path program 1 times [2020-10-13 08:46:52,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:52,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641864565] [2020-10-13 08:46:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:52,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:57,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-13 08:46:57,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:46:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 08:46:57,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:46:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-13 08:46:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:46:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:46:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:57,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:57,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:46:57,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:46:57,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:46:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:58,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:46:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:46:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:46:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:46:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:46:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:46:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:46:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:46:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:46:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:46:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:46:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:46:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:46:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:46:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:46:58,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641864565] [2020-10-13 08:46:58,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:46:58,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:46:58,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059740133] [2020-10-13 08:46:58,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:46:58,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:46:58,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:46:58,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:46:58,328 INFO L87 Difference]: Start difference. First operand 560 states and 669 transitions. Second operand 8 states. [2020-10-13 08:46:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:46:59,708 INFO L93 Difference]: Finished difference Result 1169 states and 1396 transitions. [2020-10-13 08:46:59,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:46:59,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 334 [2020-10-13 08:46:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:46:59,720 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 08:46:59,720 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:46:59,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:46:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:46:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:46:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:46:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 665 transitions. [2020-10-13 08:46:59,742 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 665 transitions. Word has length 334 [2020-10-13 08:46:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:46:59,743 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 665 transitions. [2020-10-13 08:46:59,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:46:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 665 transitions. [2020-10-13 08:46:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-13 08:46:59,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:46:59,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:46:59,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:46:59,747 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:46:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:46:59,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1832571557, now seen corresponding path program 1 times [2020-10-13 08:46:59,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:46:59,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373738682] [2020-10-13 08:46:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:46:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:46:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:46:59,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:00,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:03,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:04,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:04,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-13 08:47:04,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 08:47:04,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-13 08:47:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:47:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:04,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:04,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:04,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:04,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:04,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:04,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:04,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:04,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:04,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:04,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:04,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:04,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:47:04,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:05,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:05,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:47:05,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:47:05,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:47:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 08:47:05,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373738682] [2020-10-13 08:47:05,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:05,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:05,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113394348] [2020-10-13 08:47:05,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:05,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:05,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:05,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:05,228 INFO L87 Difference]: Start difference. First operand 560 states and 665 transitions. Second operand 5 states. [2020-10-13 08:47:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:06,088 INFO L93 Difference]: Finished difference Result 1133 states and 1352 transitions. [2020-10-13 08:47:06,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:06,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2020-10-13 08:47:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:06,096 INFO L225 Difference]: With dead ends: 1133 [2020-10-13 08:47:06,097 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:06,099 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 [2020-10-13 08:47:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 663 transitions. [2020-10-13 08:47:06,127 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 663 transitions. Word has length 340 [2020-10-13 08:47:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:06,128 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 663 transitions. [2020-10-13 08:47:06,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 663 transitions. [2020-10-13 08:47:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-13 08:47:06,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:06,132 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:06,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:47:06,132 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:06,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1878437687, now seen corresponding path program 1 times [2020-10-13 08:47:06,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:06,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633128969] [2020-10-13 08:47:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:06,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:06,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:09,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4463 [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 08:47:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:47:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:10,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:10,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:10,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:10,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:47:10,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:47:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:47:11,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633128969] [2020-10-13 08:47:11,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:11,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:11,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861648680] [2020-10-13 08:47:11,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:11,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:11,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:11,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:11,041 INFO L87 Difference]: Start difference. First operand 560 states and 663 transitions. Second operand 5 states. [2020-10-13 08:47:11,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:11,967 INFO L93 Difference]: Finished difference Result 1143 states and 1358 transitions. [2020-10-13 08:47:11,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:11,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-10-13 08:47:11,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:11,974 INFO L225 Difference]: With dead ends: 1143 [2020-10-13 08:47:11,974 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:11,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:11,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:11,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 661 transitions. [2020-10-13 08:47:11,996 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 661 transitions. Word has length 342 [2020-10-13 08:47:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:11,997 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 661 transitions. [2020-10-13 08:47:11,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 661 transitions. [2020-10-13 08:47:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-13 08:47:12,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:12,001 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:12,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:47:12,001 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:12,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1072053122, now seen corresponding path program 1 times [2020-10-13 08:47:12,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:12,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933851474] [2020-10-13 08:47:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:12,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 286 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:47:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:17,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:17,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:47:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-13 08:47:17,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933851474] [2020-10-13 08:47:17,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:17,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:17,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219785613] [2020-10-13 08:47:17,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:17,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:17,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:17,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:17,403 INFO L87 Difference]: Start difference. First operand 560 states and 661 transitions. Second operand 5 states. [2020-10-13 08:47:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:18,254 INFO L93 Difference]: Finished difference Result 1131 states and 1342 transitions. [2020-10-13 08:47:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:18,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-10-13 08:47:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:18,259 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 08:47:18,259 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:18,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 659 transitions. [2020-10-13 08:47:18,279 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 659 transitions. Word has length 343 [2020-10-13 08:47:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:18,280 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 659 transitions. [2020-10-13 08:47:18,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 659 transitions. [2020-10-13 08:47:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-13 08:47:18,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:18,284 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:18,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:47:18,284 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:18,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:18,285 INFO L82 PathProgramCache]: Analyzing trace with hash -501273526, now seen corresponding path program 1 times [2020-10-13 08:47:18,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:18,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112441937] [2020-10-13 08:47:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:18,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:21,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3570 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 290 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:47:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:21,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:21,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:21,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:21,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:21,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:21,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:21,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:22,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:22,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:22,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:47:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-13 08:47:22,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112441937] [2020-10-13 08:47:22,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:22,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:22,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375193286] [2020-10-13 08:47:22,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:22,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:22,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:22,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:22,207 INFO L87 Difference]: Start difference. First operand 560 states and 659 transitions. Second operand 5 states. [2020-10-13 08:47:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:22,980 INFO L93 Difference]: Finished difference Result 1141 states and 1348 transitions. [2020-10-13 08:47:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:22,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2020-10-13 08:47:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:22,983 INFO L225 Difference]: With dead ends: 1141 [2020-10-13 08:47:22,983 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:22,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 657 transitions. [2020-10-13 08:47:23,001 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 657 transitions. Word has length 347 [2020-10-13 08:47:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:23,002 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 657 transitions. [2020-10-13 08:47:23,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 657 transitions. [2020-10-13 08:47:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-13 08:47:23,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:23,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:23,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:47:23,005 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:23,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:23,006 INFO L82 PathProgramCache]: Analyzing trace with hash -2106656594, now seen corresponding path program 1 times [2020-10-13 08:47:23,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:23,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366920676] [2020-10-13 08:47:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-13 08:47:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3862 [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:47:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:26,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:26,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:26,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:27,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:27,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:27,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:27,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:47:27,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:47:27,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:47:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-13 08:47:27,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366920676] [2020-10-13 08:47:27,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:27,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:27,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710608913] [2020-10-13 08:47:27,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:27,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:27,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:27,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:27,254 INFO L87 Difference]: Start difference. First operand 560 states and 657 transitions. Second operand 5 states. [2020-10-13 08:47:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:28,148 INFO L93 Difference]: Finished difference Result 1145 states and 1348 transitions. [2020-10-13 08:47:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:28,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2020-10-13 08:47:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:28,152 INFO L225 Difference]: With dead ends: 1145 [2020-10-13 08:47:28,152 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:28,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:28,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 655 transitions. [2020-10-13 08:47:28,170 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 655 transitions. Word has length 349 [2020-10-13 08:47:28,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:28,171 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 655 transitions. [2020-10-13 08:47:28,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 655 transitions. [2020-10-13 08:47:28,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-13 08:47:28,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:28,175 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:28,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:47:28,176 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:28,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:28,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1784578179, now seen corresponding path program 1 times [2020-10-13 08:47:28,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:28,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976673541] [2020-10-13 08:47:28,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3437 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-13 08:47:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 08:47:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:47:31,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:47:31,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:47:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 08:47:32,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976673541] [2020-10-13 08:47:32,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:32,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:32,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517747090] [2020-10-13 08:47:32,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:32,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:32,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:32,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:32,015 INFO L87 Difference]: Start difference. First operand 560 states and 655 transitions. Second operand 5 states. [2020-10-13 08:47:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:32,904 INFO L93 Difference]: Finished difference Result 1144 states and 1343 transitions. [2020-10-13 08:47:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:32,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 352 [2020-10-13 08:47:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:32,909 INFO L225 Difference]: With dead ends: 1144 [2020-10-13 08:47:32,909 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:32,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:32,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 653 transitions. [2020-10-13 08:47:32,931 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 653 transitions. Word has length 352 [2020-10-13 08:47:32,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:32,932 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 653 transitions. [2020-10-13 08:47:32,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 653 transitions. [2020-10-13 08:47:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-13 08:47:32,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:32,936 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:32,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:47:32,936 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:32,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1133459830, now seen corresponding path program 1 times [2020-10-13 08:47:32,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:32,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978003816] [2020-10-13 08:47:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:38,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-13 08:47:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 08:47:38,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:47:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 296 [2020-10-13 08:47:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:47:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:38,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:38,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:38,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:38,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:38,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:47:38,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:38,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:38,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:47:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-13 08:47:38,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978003816] [2020-10-13 08:47:38,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:38,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:47:38,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405821846] [2020-10-13 08:47:38,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:47:38,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:38,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:47:38,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:47:38,417 INFO L87 Difference]: Start difference. First operand 560 states and 653 transitions. Second operand 8 states. [2020-10-13 08:47:39,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:39,437 INFO L93 Difference]: Finished difference Result 1168 states and 1369 transitions. [2020-10-13 08:47:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:47:39,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 353 [2020-10-13 08:47:39,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:39,441 INFO L225 Difference]: With dead ends: 1168 [2020-10-13 08:47:39,441 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:39,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:47:39,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:39,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 649 transitions. [2020-10-13 08:47:39,459 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 649 transitions. Word has length 353 [2020-10-13 08:47:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:39,460 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 649 transitions. [2020-10-13 08:47:39,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:47:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 649 transitions. [2020-10-13 08:47:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-13 08:47:39,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:39,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:39,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:47:39,463 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:39,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:39,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1439645346, now seen corresponding path program 1 times [2020-10-13 08:47:39,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:39,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56950637] [2020-10-13 08:47:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:44,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:47:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:44,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:44,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:44,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:44,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:44,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:47:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:44,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:44,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:47:44,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:47:44,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:47:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-13 08:47:44,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56950637] [2020-10-13 08:47:44,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:44,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:44,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636540112] [2020-10-13 08:47:44,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:44,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:44,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:44,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:44,859 INFO L87 Difference]: Start difference. First operand 560 states and 649 transitions. Second operand 5 states. [2020-10-13 08:47:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:45,698 INFO L93 Difference]: Finished difference Result 1150 states and 1337 transitions. [2020-10-13 08:47:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:45,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 359 [2020-10-13 08:47:45,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:45,701 INFO L225 Difference]: With dead ends: 1150 [2020-10-13 08:47:45,701 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:45,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:45,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 647 transitions. [2020-10-13 08:47:45,719 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 647 transitions. Word has length 359 [2020-10-13 08:47:45,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:45,719 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 647 transitions. [2020-10-13 08:47:45,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 647 transitions. [2020-10-13 08:47:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-10-13 08:47:45,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:45,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:45,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:47:45,724 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:45,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash -680984526, now seen corresponding path program 1 times [2020-10-13 08:47:45,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:45,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222236418] [2020-10-13 08:47:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:47,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:47,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:47:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 310 [2020-10-13 08:47:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 08:47:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:50,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:50,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:50,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:50,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:50,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:51,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:51,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:47:51,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-13 08:47:51,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222236418] [2020-10-13 08:47:51,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:51,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:47:51,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385607795] [2020-10-13 08:47:51,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:47:51,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:51,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:47:51,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:47:51,211 INFO L87 Difference]: Start difference. First operand 560 states and 647 transitions. Second operand 8 states. [2020-10-13 08:47:52,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:52,396 INFO L93 Difference]: Finished difference Result 1177 states and 1360 transitions. [2020-10-13 08:47:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:47:52,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 367 [2020-10-13 08:47:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:52,399 INFO L225 Difference]: With dead ends: 1177 [2020-10-13 08:47:52,399 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:52,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:47:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 645 transitions. [2020-10-13 08:47:52,414 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 645 transitions. Word has length 367 [2020-10-13 08:47:52,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:52,414 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 645 transitions. [2020-10-13 08:47:52,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:47:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 645 transitions. [2020-10-13 08:47:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2020-10-13 08:47:52,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:52,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:52,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:47:52,418 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:52,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:52,419 INFO L82 PathProgramCache]: Analyzing trace with hash 7020070, now seen corresponding path program 1 times [2020-10-13 08:47:52,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:52,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291492843] [2020-10-13 08:47:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-13 08:47:56,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:56,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4042 [2020-10-13 08:47:56,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 320 [2020-10-13 08:47:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:47:56,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:47:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 08:47:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:47:56,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291492843] [2020-10-13 08:47:56,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:56,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:56,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926850531] [2020-10-13 08:47:56,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:56,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:56,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:56,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:56,944 INFO L87 Difference]: Start difference. First operand 560 states and 645 transitions. Second operand 5 states. [2020-10-13 08:47:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:57,739 INFO L93 Difference]: Finished difference Result 1132 states and 1311 transitions. [2020-10-13 08:47:57,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:57,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 377 [2020-10-13 08:47:57,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:57,743 INFO L225 Difference]: With dead ends: 1132 [2020-10-13 08:47:57,743 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:57,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:57,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 643 transitions. [2020-10-13 08:47:57,766 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 643 transitions. Word has length 377 [2020-10-13 08:47:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:57,767 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 643 transitions. [2020-10-13 08:47:57,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 643 transitions. [2020-10-13 08:47:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-13 08:47:57,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:57,771 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:47:57,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:47:57,771 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:57,772 INFO L82 PathProgramCache]: Analyzing trace with hash 872907817, now seen corresponding path program 1 times [2020-10-13 08:47:57,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:57,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329906578] [2020-10-13 08:47:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:57,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:02,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 333 [2020-10-13 08:48:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:48:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:02,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:02,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:02,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:02,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:02,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:02,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:02,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:02,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:03,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:48:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-13 08:48:03,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329906578] [2020-10-13 08:48:03,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:03,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:03,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266880276] [2020-10-13 08:48:03,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:03,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:03,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:03,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:03,225 INFO L87 Difference]: Start difference. First operand 560 states and 643 transitions. Second operand 5 states. [2020-10-13 08:48:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:04,084 INFO L93 Difference]: Finished difference Result 1138 states and 1313 transitions. [2020-10-13 08:48:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:04,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 390 [2020-10-13 08:48:04,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:04,088 INFO L225 Difference]: With dead ends: 1138 [2020-10-13 08:48:04,088 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:04,090 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 [2020-10-13 08:48:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:04,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 641 transitions. [2020-10-13 08:48:04,105 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 641 transitions. Word has length 390 [2020-10-13 08:48:04,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:04,105 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 641 transitions. [2020-10-13 08:48:04,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 641 transitions. [2020-10-13 08:48:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-13 08:48:04,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:04,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:04,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:48:04,109 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1148876211, now seen corresponding path program 1 times [2020-10-13 08:48:04,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:04,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278086178] [2020-10-13 08:48:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:04,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 335 [2020-10-13 08:48:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:48:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:09,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:09,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:09,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:09,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:48:09,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:48:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-10-13 08:48:09,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278086178] [2020-10-13 08:48:09,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:09,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:09,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578664168] [2020-10-13 08:48:09,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:09,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:09,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:09,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:09,503 INFO L87 Difference]: Start difference. First operand 560 states and 641 transitions. Second operand 5 states. [2020-10-13 08:48:10,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:10,179 INFO L93 Difference]: Finished difference Result 1126 states and 1297 transitions. [2020-10-13 08:48:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:10,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 392 [2020-10-13 08:48:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:10,181 INFO L225 Difference]: With dead ends: 1126 [2020-10-13 08:48:10,182 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:10,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 639 transitions. [2020-10-13 08:48:10,194 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 639 transitions. Word has length 392 [2020-10-13 08:48:10,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:10,195 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 639 transitions. [2020-10-13 08:48:10,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 639 transitions. [2020-10-13 08:48:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-13 08:48:10,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:10,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:10,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:48:10,199 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:10,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:10,199 INFO L82 PathProgramCache]: Analyzing trace with hash 141756018, now seen corresponding path program 1 times [2020-10-13 08:48:10,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:10,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589658318] [2020-10-13 08:48:10,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:10,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:15,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 411 [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-13 08:48:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:48:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:15,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:15,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:15,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:15,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:15,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:15,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:48:15,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:48:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:48:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-13 08:48:15,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589658318] [2020-10-13 08:48:15,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:15,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:15,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015728836] [2020-10-13 08:48:15,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:15,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:15,668 INFO L87 Difference]: Start difference. First operand 560 states and 639 transitions. Second operand 5 states. [2020-10-13 08:48:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:16,372 INFO L93 Difference]: Finished difference Result 1128 states and 1295 transitions. [2020-10-13 08:48:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:16,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 399 [2020-10-13 08:48:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:16,375 INFO L225 Difference]: With dead ends: 1128 [2020-10-13 08:48:16,375 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:16,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 637 transitions. [2020-10-13 08:48:16,388 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 637 transitions. Word has length 399 [2020-10-13 08:48:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:16,389 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 637 transitions. [2020-10-13 08:48:16,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 637 transitions. [2020-10-13 08:48:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-13 08:48:16,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:16,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:16,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:48:16,393 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:16,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:16,393 INFO L82 PathProgramCache]: Analyzing trace with hash 164004566, now seen corresponding path program 1 times [2020-10-13 08:48:16,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:16,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22746449] [2020-10-13 08:48:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:16,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:17,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 344 [2020-10-13 08:48:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:48:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:21,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:21,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:21,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:21,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:21,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:21,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:48:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-13 08:48:21,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22746449] [2020-10-13 08:48:21,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:21,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:21,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989583063] [2020-10-13 08:48:21,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:21,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:21,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:21,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:21,971 INFO L87 Difference]: Start difference. First operand 560 states and 637 transitions. Second operand 5 states. [2020-10-13 08:48:22,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:22,868 INFO L93 Difference]: Finished difference Result 1148 states and 1311 transitions. [2020-10-13 08:48:22,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:22,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 401 [2020-10-13 08:48:22,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:22,870 INFO L225 Difference]: With dead ends: 1148 [2020-10-13 08:48:22,871 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:22,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:22,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:22,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 635 transitions. [2020-10-13 08:48:22,883 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 635 transitions. Word has length 401 [2020-10-13 08:48:22,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:22,883 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 635 transitions. [2020-10-13 08:48:22,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 635 transitions. [2020-10-13 08:48:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2020-10-13 08:48:22,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:22,886 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:22,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 08:48:22,887 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:22,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:22,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1273232082, now seen corresponding path program 1 times [2020-10-13 08:48:22,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:22,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409123338] [2020-10-13 08:48:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:23,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:24,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:27,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 425 [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 356 [2020-10-13 08:48:27,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:48:27,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:28,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:48:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 08:48:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:48:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-13 08:48:28,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409123338] [2020-10-13 08:48:28,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:28,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:28,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978966395] [2020-10-13 08:48:28,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:28,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:28,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:28,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:28,476 INFO L87 Difference]: Start difference. First operand 560 states and 635 transitions. Second operand 5 states. [2020-10-13 08:48:29,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:29,147 INFO L93 Difference]: Finished difference Result 1129 states and 1288 transitions. [2020-10-13 08:48:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:29,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 413 [2020-10-13 08:48:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:29,151 INFO L225 Difference]: With dead ends: 1129 [2020-10-13 08:48:29,151 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:29,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:29,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 633 transitions. [2020-10-13 08:48:29,165 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 633 transitions. Word has length 413 [2020-10-13 08:48:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:29,165 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 633 transitions. [2020-10-13 08:48:29,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 633 transitions. [2020-10-13 08:48:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-13 08:48:29,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:29,169 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:29,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 08:48:29,169 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash -397785610, now seen corresponding path program 1 times [2020-10-13 08:48:29,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:29,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122308667] [2020-10-13 08:48:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:29,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:34,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:34,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 429 [2020-10-13 08:48:34,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 08:48:34,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 360 [2020-10-13 08:48:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:48:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:34,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:34,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:34,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:34,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:34,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:48:34,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:34,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:34,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:48:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-13 08:48:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-13 08:48:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-13 08:48:35,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122308667] [2020-10-13 08:48:35,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:35,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:35,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438993603] [2020-10-13 08:48:35,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:35,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:35,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:35,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:35,127 INFO L87 Difference]: Start difference. First operand 560 states and 633 transitions. Second operand 5 states. [2020-10-13 08:48:35,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:35,895 INFO L93 Difference]: Finished difference Result 1140 states and 1295 transitions. [2020-10-13 08:48:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:35,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 417 [2020-10-13 08:48:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:35,897 INFO L225 Difference]: With dead ends: 1140 [2020-10-13 08:48:35,897 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:48:35,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:35,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:48:35,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:48:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:48:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 631 transitions. [2020-10-13 08:48:35,910 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 631 transitions. Word has length 417 [2020-10-13 08:48:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:35,911 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 631 transitions. [2020-10-13 08:48:35,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 631 transitions. [2020-10-13 08:48:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-13 08:48:35,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:35,914 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:35,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 08:48:35,914 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash -635443131, now seen corresponding path program 1 times [2020-10-13 08:48:35,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:35,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380835128] [2020-10-13 08:48:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:36,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:36,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:37,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 363 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:48:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:48:41,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:41,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:41,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:41,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 08:48:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-13 08:48:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-13 08:48:41,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 08:48:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-10-13 08:48:41,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380835128] [2020-10-13 08:48:41,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:41,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:41,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81699643] [2020-10-13 08:48:41,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:41,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:41,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:41,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:41,642 INFO L87 Difference]: Start difference. First operand 560 states and 631 transitions. Second operand 5 states. [2020-10-13 08:48:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:42,634 INFO L93 Difference]: Finished difference Result 1302 states and 1482 transitions. [2020-10-13 08:48:42,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:42,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2020-10-13 08:48:42,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:42,643 INFO L225 Difference]: With dead ends: 1302 [2020-10-13 08:48:42,644 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:48:42,645 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 [2020-10-13 08:48:42,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:48:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:48:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:48:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 821 transitions. [2020-10-13 08:48:42,659 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 821 transitions. Word has length 420 [2020-10-13 08:48:42,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:42,660 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 821 transitions. [2020-10-13 08:48:42,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 821 transitions. [2020-10-13 08:48:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-10-13 08:48:42,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:42,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:42,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 08:48:42,664 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:42,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1476348706, now seen corresponding path program 1 times [2020-10-13 08:48:42,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:42,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779828618] [2020-10-13 08:48:42,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:42,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:43,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:47,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:47,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 435 [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4571 [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 366 [2020-10-13 08:48:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 08:48:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:47,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:47,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:47,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:48:47,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:47,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:47,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:47,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:48:47,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:48:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:47,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:47,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:48:47,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:47,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-13 08:48:47,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:47,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:47,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:47,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 08:48:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:48:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-13 08:48:48,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779828618] [2020-10-13 08:48:48,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:48,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:48,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700724535] [2020-10-13 08:48:48,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:48,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:48,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:48,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:48,125 INFO L87 Difference]: Start difference. First operand 744 states and 821 transitions. Second operand 5 states. [2020-10-13 08:48:48,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:48,834 INFO L93 Difference]: Finished difference Result 1510 states and 1674 transitions. [2020-10-13 08:48:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:48,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 423 [2020-10-13 08:48:48,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:48,839 INFO L225 Difference]: With dead ends: 1510 [2020-10-13 08:48:48,839 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:48:48,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:48:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:48:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:48:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:48:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 819 transitions. [2020-10-13 08:48:48,854 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 819 transitions. Word has length 423 [2020-10-13 08:48:48,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:48,855 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 819 transitions. [2020-10-13 08:48:48,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 819 transitions. [2020-10-13 08:48:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-13 08:48:48,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:48:48,858 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:48:48,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 08:48:48,859 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:48:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:48:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash 951941809, now seen corresponding path program 1 times [2020-10-13 08:48:48,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:48:48,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053510157] [2020-10-13 08:48:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:48:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:48,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 438 [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:48:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-13 08:48:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:48:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:48:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:53,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:53,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:54,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:48:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:54,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:48:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:48:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:48:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:48:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:48:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:48:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:48:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-13 08:48:54,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053510157] [2020-10-13 08:48:54,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:48:54,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:48:54,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574349129] [2020-10-13 08:48:54,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:48:54,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:48:54,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:48:54,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:48:54,367 INFO L87 Difference]: Start difference. First operand 744 states and 819 transitions. Second operand 5 states. [2020-10-13 08:48:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:48:55,032 INFO L93 Difference]: Finished difference Result 1329 states and 1457 transitions. [2020-10-13 08:48:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:48:55,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 426 [2020-10-13 08:48:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:48:55,033 INFO L225 Difference]: With dead ends: 1329 [2020-10-13 08:48:55,034 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:48:55,036 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 [2020-10-13 08:48:55,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:48:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:48:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:48:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:48:55,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 426 [2020-10-13 08:48:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:48:55,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:48:55,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:48:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:48:55,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:48:55,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 08:48:55,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:48:55,549 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 103 [2020-10-13 08:48:55,798 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 103 [2020-10-13 08:48:58,032 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 261 DAG size of output: 176 [2020-10-13 08:48:58,655 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-13 08:48:59,226 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-13 08:48:59,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:48:59,231 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:48:59,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:48:59,231 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:48:59,231 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:48:59,232 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:48:59,233 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:48:59,234 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:48:59,235 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:48:59,236 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,237 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,238 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,239 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:48:59,240 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:48:59,240 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:48:59,240 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:48:59,240 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:48:59,240 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse19 (= ~a21~0 6)) (.cse17 (= 7 ~a15~0)) (.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a15~0 |old(~a15~0)|)) (.cse32 (= ~a21~0 9)) (.cse14 (= 5 ~a15~0)) (.cse27 (= ~a21~0 |old(~a21~0)|)) (.cse15 (= ~a24~0 1)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse3 (and .cse14 .cse27 .cse15 .cse11)) (.cse22 (not (<= 81 |old(~a12~0)|))) (.cse8 (and .cse14 .cse15 .cse32 .cse11)) (.cse6 (not (= 5 |old(~a15~0)|))) (.cse25 (not (= 7 |old(~a21~0)|))) (.cse26 (= 7 ~a21~0)) (.cse1 (not (= 10 |old(~a21~0)|))) (.cse0 (and .cse10 .cse27 .cse11 .cse12)) (.cse9 (not (<= 1 |old(~a24~0)|))) (.cse31 (and .cse17 .cse15 .cse32 .cse11)) (.cse21 (and .cse17 .cse19 .cse15 .cse11)) (.cse28 (not (<= |old(~a12~0)| 10))) (.cse29 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse18 (not (= 7 |old(~a15~0)|))) (.cse7 (not (= 9 |old(~a21~0)|))) (.cse24 (and .cse15 .cse32 .cse11 .cse12)) (.cse30 (and .cse19 .cse15 .cse11 .cse12)) (.cse20 (not (= 6 |old(~a21~0)|))) (.cse23 (not (= 6 |old(~a15~0)|))) (.cse2 (not (= |old(~a24~0)| 1))) (.cse13 (not (= 8 |old(~a21~0)|))) (.cse4 (not (<= 12 |old(~a12~0)|))) (.cse5 (not (<= |old(~a12~0)| 80))) (.cse16 (= ~a21~0 8))) (and (or .cse0 (not (<= 8 |old(~a15~0)|))) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (<= (+ |old(~a12~0)| 7499) 0)) .cse2 .cse7 .cse8 .cse6) (or .cse9 (not (<= 10 |old(~a21~0)|)) (not (<= |old(~a21~0)| 10)) (not (<= 7 |old(~a15~0)|)) (and .cse10 (<= 10 ~a21~0) .cse11 (<= ~a21~0 10) .cse12)) (or .cse2 .cse13 .cse4 .cse5 (and .cse14 .cse15 .cse16 .cse11) .cse6) (or .cse2 .cse13 (and .cse17 .cse15 .cse16 .cse11) .cse18) (or (and .cse14 .cse19 .cse15 .cse11) .cse2 .cse20 .cse6) (or .cse1 .cse2 (not (<= (+ |old(~a12~0)| 1) 0)) .cse3 (not (<= 0 (+ |old(~a12~0)| 7))) .cse6) (or .cse21 .cse2 .cse22 .cse20 .cse18) (or .cse1 .cse2 .cse3 (not (<= 657 |old(~a12~0)|)) .cse6) (or .cse23 .cse2 .cse22 .cse7 .cse24) (or .cse25 .cse2 (not (<= 58 |old(~a12~0)|)) (and .cse14 .cse15 .cse11 .cse26) (not (<= |old(~a12~0)| 68)) .cse6) (or (not (<= |old(~a12~0)| 78)) .cse2 .cse4 .cse7 .cse8 .cse6) (or .cse25 .cse2 (and .cse17 .cse15 .cse11 .cse26) .cse18) (or .cse21 .cse2 .cse20 .cse18 (not (<= (+ |old(~a12~0)| 2797) 0))) (or .cse1 .cse23 .cse2 (and .cse27 .cse15 .cse11 .cse12) .cse28 .cse29) (or (not (<= |old(~a12~0)| 46)) .cse23 .cse2 .cse30 (not (<= 13 |old(~a12~0)|)) .cse20) (or .cse2 .cse31 .cse4 .cse7 .cse5 .cse18) (or .cse0 (not (<= 2 |old(~a24~0)|))) (or .cse9 (not (<= |old(~a15~0)| 6)) (not (<= |old(~a21~0)| 9)) (not (<= 6 |old(~a15~0)|)) (and (<= 6 ~a15~0) .cse10 .cse27 .cse11 (<= ~a15~0 6)) (not (<= 9 |old(~a21~0)|)) (not (<= |old(~a12~0)| 11)) (not (<= 0 (+ |old(~a12~0)| 42)))) (or (not (<= 528306 |old(~a12~0)|)) .cse2 .cse7 .cse31 .cse18) (or .cse21 .cse2 .cse28 .cse29 .cse20 .cse18) (or .cse23 .cse2 (not (<= (+ |old(~a12~0)| 45) 0)) .cse7 .cse24) (or .cse23 .cse2 .cse30 (not (<= 12849 |old(~a12~0)|)) .cse20) (or .cse23 .cse2 .cse13 .cse4 .cse5 (and .cse15 .cse16 .cse11 .cse12))))) [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:48:59,241 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,242 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:48:59,243 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:48:59,244 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:48:59,245 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:48:59,246 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:48:59,247 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:48:59,248 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:48:59,249 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:48:59,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:48:59,251 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a15~0 8) [2020-10-13 08:48:59,251 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:48:59,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:48:59,251 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|))) [2020-10-13 08:48:59,251 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:48:59,252 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse8 (<= 0 (+ ~a12~0 41))) (.cse9 (<= ~a12~0 10)) (.cse0 (= ~a21~0 6)) (.cse14 (<= 1 ~a24~0)) (.cse10 (= ~a21~0 10)) (.cse6 (= 7 ~a15~0)) (.cse5 (= 7 ~a21~0)) (.cse4 (= 5 ~a15~0)) (.cse12 (<= 12 ~a12~0)) (.cse13 (<= ~a12~0 80)) (.cse11 (= ~a21~0 8)) (.cse7 (<= 81 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse3 (= ~a21~0 9)) (.cse2 (= ~a15~0 6))) (or (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 .cse2) (and (<= (+ ~a12~0 45) 0) .cse1 .cse3 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse4 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) .cse5) (and .cse6 .cse7 .cse0 .cse1) (and .cse6 (<= 528306 ~a12~0) .cse1 .cse3) (and .cse6 .cse0 .cse1 (<= (+ ~a12~0 2797) 0)) (and .cse8 .cse9 .cse10 .cse1 .cse2) (and .cse6 .cse1 .cse11) (and .cse4 .cse0 .cse1) (and .cse4 .cse12 .cse1 .cse3 (<= ~a12~0 78)) (and (<= 12849 ~a12~0) .cse0 .cse1 .cse2) (and .cse6 .cse8 .cse9 .cse0 .cse1) (and .cse12 .cse1 .cse13 .cse11 .cse2) (and .cse6 .cse12 .cse1 .cse13 .cse3) (and (<= 9 ~a21~0) (<= 6 ~a15~0) (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse14 (<= ~a21~0 9) (<= ~a15~0 6)) (and .cse4 .cse1 .cse3 (<= (+ ~a12~0 7499) 0)) (and .cse4 .cse12 .cse10 .cse1 .cse13) (and (<= 7 ~a15~0) .cse14 (<= 10 ~a21~0) (<= ~a21~0 10)) (<= 8 ~a15~0) (and .cse4 (<= 657 ~a12~0) .cse10 .cse1) (and .cse4 (<= (+ ~a12~0 1) 0) .cse10 (<= 0 (+ ~a12~0 7)) .cse1) (and .cse6 .cse1 .cse5) (and .cse4 .cse12 .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse3 .cse2) (<= 2 ~a24~0))) [2020-10-13 08:48:59,252 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:48:59,252 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:48:59,252 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse8 (<= 0 (+ ~a12~0 41))) (.cse9 (<= ~a12~0 10)) (.cse0 (= ~a21~0 6)) (.cse14 (<= 1 ~a24~0)) (.cse10 (= ~a21~0 10)) (.cse6 (= 7 ~a15~0)) (.cse5 (= 7 ~a21~0)) (.cse4 (= 5 ~a15~0)) (.cse12 (<= 12 ~a12~0)) (.cse13 (<= ~a12~0 80)) (.cse11 (= ~a21~0 8)) (.cse7 (<= 81 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse3 (= ~a21~0 9)) (.cse2 (= ~a15~0 6))) (or (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 .cse2) (and (<= (+ ~a12~0 45) 0) .cse1 .cse3 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse4 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) .cse5) (and .cse6 .cse7 .cse0 .cse1) (and .cse6 (<= 528306 ~a12~0) .cse1 .cse3) (and .cse6 .cse0 .cse1 (<= (+ ~a12~0 2797) 0)) (and .cse8 .cse9 .cse10 .cse1 .cse2) (and .cse6 .cse1 .cse11) (and .cse4 .cse0 .cse1) (and .cse4 .cse12 .cse1 .cse3 (<= ~a12~0 78)) (and (<= 12849 ~a12~0) .cse0 .cse1 .cse2) (and .cse6 .cse8 .cse9 .cse0 .cse1) (and .cse12 .cse1 .cse13 .cse11 .cse2) (and .cse6 .cse12 .cse1 .cse13 .cse3) (and (<= 9 ~a21~0) (<= 6 ~a15~0) (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse14 (<= ~a21~0 9) (<= ~a15~0 6)) (and .cse4 .cse1 .cse3 (<= (+ ~a12~0 7499) 0)) (and .cse4 .cse12 .cse10 .cse1 .cse13) (and (<= 7 ~a15~0) .cse14 (<= 10 ~a21~0) (<= ~a21~0 10)) (<= 8 ~a15~0) (and .cse4 (<= 657 ~a12~0) .cse10 .cse1) (and .cse4 (<= (+ ~a12~0 1) 0) .cse10 (<= 0 (+ ~a12~0 7)) .cse1) (and .cse6 .cse1 .cse5) (and .cse4 .cse12 .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse3 .cse2) (<= 2 ~a24~0))) [2020-10-13 08:48:59,252 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:48:59,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:48:59 BoogieIcfgContainer [2020-10-13 08:48:59,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:48:59,288 INFO L168 Benchmark]: Toolchain (without parser) took 161145.73 ms. Allocated memory was 145.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 99.0 MB in the beginning and 247.3 MB in the end (delta: -148.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,291 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.65 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.7 MB in the beginning and 157.5 MB in the end (delta: -58.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,293 INFO L168 Benchmark]: Boogie Preprocessor took 176.38 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 152.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,294 INFO L168 Benchmark]: RCFGBuilder took 1760.99 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 151.8 MB in the beginning and 146.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,294 INFO L168 Benchmark]: TraceAbstraction took 158196.73 ms. Allocated memory was 233.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 146.0 MB in the beginning and 247.3 MB in the end (delta: -101.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-13 08:48:59,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1002.65 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.7 MB in the beginning and 157.5 MB in the end (delta: -58.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 176.38 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 152.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1760.99 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 151.8 MB in the beginning and 146.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 158196.73 ms. Allocated memory was 233.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 146.0 MB in the beginning and 247.3 MB in the end (delta: -101.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a12 <= 46 && 13 <= a12) && a21 == 6) && a24 == 1) && a15 == 6) || (((a12 + 45 <= 0 && a24 == 1) && a21 == 9) && a15 == 6)) || !(8 == \old(a15))) || ((((5 == a15 && 58 <= a12) && a24 == 1) && a12 <= 68) && 7 == a21)) || (((7 == a15 && 81 <= a12) && a21 == 6) && a24 == 1)) || (((7 == a15 && 528306 <= a12) && a24 == 1) && a21 == 9)) || (((7 == a15 && a21 == 6) && a24 == 1) && a12 + 2797 <= 0)) || ((((0 <= a12 + 41 && a12 <= 10) && a21 == 10) && a24 == 1) && a15 == 6)) || ((7 == a15 && a24 == 1) && a21 == 8)) || ((5 == a15 && a21 == 6) && a24 == 1)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a21 == 9) && a12 <= 78)) || (((12849 <= a12 && a21 == 6) && a24 == 1) && a15 == 6)) || ((((7 == a15 && 0 <= a12 + 41) && a12 <= 10) && a21 == 6) && a24 == 1)) || ((((12 <= a12 && a24 == 1) && a12 <= 80) && a21 == 8) && a15 == 6)) || ((((7 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 9)) || ((((((9 <= a21 && 6 <= a15) && 0 <= a12 + 42) && a12 <= 11) && 1 <= a24) && a21 <= 9) && a15 <= 6)) || (((5 == a15 && a24 == 1) && a21 == 9) && a12 + 7499 <= 0)) || ((((5 == a15 && 12 <= a12) && a21 == 10) && a24 == 1) && a12 <= 80)) || (((7 <= a15 && 1 <= a24) && 10 <= a21) && a21 <= 10)) || 8 <= a15) || (((5 == a15 && 657 <= a12) && a21 == 10) && a24 == 1)) || ((((5 == a15 && a12 + 1 <= 0) && a21 == 10) && 0 <= a12 + 7) && a24 == 1)) || ((7 == a15 && a24 == 1) && 7 == a21)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 8)) || (((81 <= a12 && a24 == 1) && a21 == 9) && a15 == 6)) || 2 <= a24 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 153.8s, OverallIterations: 26, TraceHistogramMax: 3, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 641 SDtfs, 5903 SDslu, 580 SDs, 0 SdLazy, 16583 SolverSat, 436 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 205 SyntacticMatches, 21 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=744occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 100 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 114 PreInvPairs, 174 NumberOfFragments, 1554 HoareAnnotationTreeSize, 114 FomulaSimplifications, 4630511632 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1065 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 122.0s InterpolantComputationTime, 8874 NumberOfCodeBlocks, 8874 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8848 ConstructedInterpolants, 0 QuantifiedInterpolants, 6915265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 1 PerfectInterpolantSequences, 5749/5797 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...