/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:32:26,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:32:26,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:32:26,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:32:26,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:32:26,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:32:26,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:32:26,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:32:26,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:32:26,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:32:26,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:32:26,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:32:26,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:32:26,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:32:26,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:32:26,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:32:26,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:32:26,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:32:26,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:32:26,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:32:26,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:32:26,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:32:26,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:32:26,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:32:26,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:32:26,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:32:26,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:32:26,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:32:26,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:32:26,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:32:26,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:32:26,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:32:26,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:32:26,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:32:26,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:32:26,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:32:26,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:32:26,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:32:26,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:32:26,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:32:26,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:32:26,141 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 [2020-10-15 02:32:26,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:32:26,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:32:26,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:32:26,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:32:26,196 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:32:26,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:32:26,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:32:26,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:32:26,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:32:26,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:32:26,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:32:26,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:32:26,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:32:26,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:32:26,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:32:26,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:32:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:32:26,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:32:26,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:32:26,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:32:26,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:32:26,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:32:26,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:32:26,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:32:26,562 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:32:26,563 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:32:26,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55894ac0c/647d493ffd104478b9619f9932fa4044/FLAG78919374e [2020-10-15 02:32:27,205 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:32:27,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:32:27,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55894ac0c/647d493ffd104478b9619f9932fa4044/FLAG78919374e [2020-10-15 02:32:27,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55894ac0c/647d493ffd104478b9619f9932fa4044 [2020-10-15 02:32:27,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:32:27,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:32:27,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:32:27,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:32:27,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:32:27,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:32:27" (1/1) ... [2020-10-15 02:32:27,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b097c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:27, skipping insertion in model container [2020-10-15 02:32:27,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:32:27" (1/1) ... [2020-10-15 02:32:27,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:32:27,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:32:28,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:32:28,060 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:32:28,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:32:28,145 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:32:28,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28 WrapperNode [2020-10-15 02:32:28,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:32:28,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:32:28,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:32:28,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:32:28,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (1/1) ... [2020-10-15 02:32:28,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:32:28,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:32:28,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:32:28,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:32:28,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (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 [2020-10-15 02:32:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:32:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:32:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:32:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:32:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-15 02:32:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:32:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:32:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:32:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:32:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:32:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:32:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:32:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:32:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:32:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:32:29,079 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:32:29,079 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:32:29,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:32:29 BoogieIcfgContainer [2020-10-15 02:32:29,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:32:29,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:32:29,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:32:29,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:32:29,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:32:27" (1/3) ... [2020-10-15 02:32:29,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241522bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:32:29, skipping insertion in model container [2020-10-15 02:32:29,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:28" (2/3) ... [2020-10-15 02:32:29,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241522bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:32:29, skipping insertion in model container [2020-10-15 02:32:29,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:32:29" (3/3) ... [2020-10-15 02:32:29,095 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:32:29,108 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:32:29,117 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:32:29,133 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:32:29,161 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:32:29,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:32:29,161 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:32:29,162 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:32:29,162 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:32:29,162 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:32:29,162 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:32:29,162 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:32:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-10-15 02:32:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-15 02:32:29,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:29,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:29,204 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:29,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:29,211 INFO L82 PathProgramCache]: Analyzing trace with hash 2110107591, now seen corresponding path program 1 times [2020-10-15 02:32:29,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:29,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529518345] [2020-10-15 02:32:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:32:29,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-15 02:32:30,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:32:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:32:30,334 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:30,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:30,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:32:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:30,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:30,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:32:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:32:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:32:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:32:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:32:30,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:32:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:32:30,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:32:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:32:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:32:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:32:30,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:32:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:32:30,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:32:30,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 02:32:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:30,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:32:30,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:32:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:30,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 02:32:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:30,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529518345] [2020-10-15 02:32:30,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:30,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:32:30,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812333940] [2020-10-15 02:32:30,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:32:30,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:30,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:32:30,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:32:30,866 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 10 states. [2020-10-15 02:32:32,131 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:32:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:32:32,620 INFO L93 Difference]: Finished difference Result 270 states and 407 transitions. [2020-10-15 02:32:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:32:32,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2020-10-15 02:32:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:32:32,636 INFO L225 Difference]: With dead ends: 270 [2020-10-15 02:32:32,636 INFO L226 Difference]: Without dead ends: 165 [2020-10-15 02:32:32,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:32:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-15 02:32:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-10-15 02:32:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-15 02:32:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 255 transitions. [2020-10-15 02:32:32,698 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 255 transitions. Word has length 81 [2020-10-15 02:32:32,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:32:32,699 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 255 transitions. [2020-10-15 02:32:32,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:32:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 255 transitions. [2020-10-15 02:32:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-15 02:32:32,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:32,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:32,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:32:32,704 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1378140165, now seen corresponding path program 1 times [2020-10-15 02:32:32,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:32,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194383992] [2020-10-15 02:32:32,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:32,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:32:33,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-15 02:32:33,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:32:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:32:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:32:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,705 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:32:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-15 02:32:33,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:33,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:32:33,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:33,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:33,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:33,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:32:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:33,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:33,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:32:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:33,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:32:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:33,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:33,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:32:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:33,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:33,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:33,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:32:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:33,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:33,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:34,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:32:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:34,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:34,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:34,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:34,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:32:34,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:34,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:32:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:34,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:34,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:34,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:34,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:34,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:34,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:34,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:34,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:34,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:34,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:34,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 02:32:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:34,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:34,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:34,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:34,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:32:34,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:34,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:32:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:34,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:34,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194383992] [2020-10-15 02:32:34,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:34,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:32:34,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523682885] [2020-10-15 02:32:34,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:32:34,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:34,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:32:34,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:32:34,138 INFO L87 Difference]: Start difference. First operand 165 states and 255 transitions. Second operand 16 states. [2020-10-15 02:32:34,391 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:34,650 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:34,947 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:35,139 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:32:37,366 INFO L93 Difference]: Finished difference Result 268 states and 399 transitions. [2020-10-15 02:32:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:32:37,366 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 81 [2020-10-15 02:32:37,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:32:37,372 INFO L225 Difference]: With dead ends: 268 [2020-10-15 02:32:37,372 INFO L226 Difference]: Without dead ends: 165 [2020-10-15 02:32:37,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:32:37,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-15 02:32:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-10-15 02:32:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-15 02:32:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 205 transitions. [2020-10-15 02:32:37,410 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 205 transitions. Word has length 81 [2020-10-15 02:32:37,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:32:37,411 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 205 transitions. [2020-10-15 02:32:37,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:32:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 205 transitions. [2020-10-15 02:32:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-15 02:32:37,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:37,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:37,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:32:37,417 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:37,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:37,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1403030037, now seen corresponding path program 1 times [2020-10-15 02:32:37,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:37,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146474523] [2020-10-15 02:32:37,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:37,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:37,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:42,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:42,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 02:32:42,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:32:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-15 02:32:42,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:42,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:32:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:32:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:32:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:32:42,926 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:42,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:42,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:42,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:42,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:42,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:32:42,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:42,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:32:43,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:32:43,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:32:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:32:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:32:43,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:32:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:43,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:32:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:32:43,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:32:43,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:32:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:32:43,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:32:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:32:43,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:32:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:32:43,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:32:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:32:43,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:32:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:32:43,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:32:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:43,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:32:43,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:32:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:43,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:43,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:43,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:43,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:43,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:43,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:32:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:32:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:32:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:43,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146474523] [2020-10-15 02:32:43,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:43,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:32:43,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695091398] [2020-10-15 02:32:43,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:32:43,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:32:43,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:32:43,892 INFO L87 Difference]: Start difference. First operand 165 states and 205 transitions. Second operand 25 states. [2020-10-15 02:32:44,197 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:44,399 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:32:44,612 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:44,780 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:32:44,970 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:45,167 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:45,377 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:32:47,885 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:32:50,016 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:32:53,997 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:32:54,223 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:32:54,436 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:54,628 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:32:54,815 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:54,998 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:55,177 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:56,653 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:32:59,357 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:33:01,786 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:33:01,937 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:33:04,435 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:33:04,591 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:33:05,523 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:33:06,181 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:33:06,324 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:33:07,432 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:33:08,184 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:33:08,337 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 02:33:08,482 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:33:08,622 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:33:09,296 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:33:09,916 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:33:10,052 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:33:10,342 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:33:10,955 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:33:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:19,338 INFO L93 Difference]: Finished difference Result 2054 states and 3264 transitions. [2020-10-15 02:33:19,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2020-10-15 02:33:19,339 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 130 [2020-10-15 02:33:19,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:19,363 INFO L225 Difference]: With dead ends: 2054 [2020-10-15 02:33:19,363 INFO L226 Difference]: Without dead ends: 1957 [2020-10-15 02:33:19,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17787 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=7687, Invalid=36623, Unknown=0, NotChecked=0, Total=44310 [2020-10-15 02:33:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2020-10-15 02:33:19,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1569. [2020-10-15 02:33:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1569 states. [2020-10-15 02:33:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2225 transitions. [2020-10-15 02:33:19,619 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2225 transitions. Word has length 130 [2020-10-15 02:33:19,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:19,620 INFO L479 AbstractCegarLoop]: Abstraction has 1569 states and 2225 transitions. [2020-10-15 02:33:19,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:33:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2225 transitions. [2020-10-15 02:33:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:19,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:19,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:19,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:33:19,628 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:19,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:19,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1169797605, now seen corresponding path program 1 times [2020-10-15 02:33:19,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:19,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687801672] [2020-10-15 02:33:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:19,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:19,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:19,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:20,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:24,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:33:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-15 02:33:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:24,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 02:33:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:33:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:24,885 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:24,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:24,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:24,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:24,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:24,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:24,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:24,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:24,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:24,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:24,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:33:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:24,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:33:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:24,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:24,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:24,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:24,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:24,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:24,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:24,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:25,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:25,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:25,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:25,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:25,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:33:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:33:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:25,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:25,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:25,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:33:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:25,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:25,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:33:25,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:33:25,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:33:25,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:25,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:33:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:33:25,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:33:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:25,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687801672] [2020-10-15 02:33:25,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:25,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:33:25,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617359549] [2020-10-15 02:33:25,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:33:25,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:25,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:33:25,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:33:25,372 INFO L87 Difference]: Start difference. First operand 1569 states and 2225 transitions. Second operand 14 states. [2020-10-15 02:33:25,625 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:27,459 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:33:29,213 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:33:30,949 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:33:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:32,422 INFO L93 Difference]: Finished difference Result 7197 states and 10389 transitions. [2020-10-15 02:33:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-15 02:33:32,423 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 132 [2020-10-15 02:33:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:32,457 INFO L225 Difference]: With dead ends: 7197 [2020-10-15 02:33:32,457 INFO L226 Difference]: Without dead ends: 5696 [2020-10-15 02:33:32,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2020-10-15 02:33:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5696 states. [2020-10-15 02:33:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5696 to 5690. [2020-10-15 02:33:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5690 states. [2020-10-15 02:33:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5690 states to 5690 states and 8073 transitions. [2020-10-15 02:33:33,016 INFO L78 Accepts]: Start accepts. Automaton has 5690 states and 8073 transitions. Word has length 132 [2020-10-15 02:33:33,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:33,017 INFO L479 AbstractCegarLoop]: Abstraction has 5690 states and 8073 transitions. [2020-10-15 02:33:33,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:33:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5690 states and 8073 transitions. [2020-10-15 02:33:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:33,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:33,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:33,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:33:33,022 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:33,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:33,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1304559625, now seen corresponding path program 1 times [2020-10-15 02:33:33,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:33,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631989946] [2020-10-15 02:33:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:33,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:33,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:34,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-15 02:33:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-15 02:33:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,284 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:38,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:33:38,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:38,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:38,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:33:38,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:33:38,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:33:38,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:38,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:38,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:33:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:33:38,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:38,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:38,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:38,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:38,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:38,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:33:38,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:33:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:38,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:33:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:38,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:33:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:38,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631989946] [2020-10-15 02:33:38,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:38,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:33:38,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625311936] [2020-10-15 02:33:38,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:33:38,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:38,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:33:38,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:33:38,713 INFO L87 Difference]: Start difference. First operand 5690 states and 8073 transitions. Second operand 13 states. [2020-10-15 02:33:38,950 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:40,184 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:33:41,471 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:33:41,909 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:33:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:42,567 INFO L93 Difference]: Finished difference Result 16502 states and 23555 transitions. [2020-10-15 02:33:42,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:33:42,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 02:33:42,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:42,630 INFO L225 Difference]: With dead ends: 16502 [2020-10-15 02:33:42,630 INFO L226 Difference]: Without dead ends: 10880 [2020-10-15 02:33:42,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:33:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10880 states. [2020-10-15 02:33:43,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10880 to 10878. [2020-10-15 02:33:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10878 states. [2020-10-15 02:33:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10878 states to 10878 states and 15369 transitions. [2020-10-15 02:33:43,543 INFO L78 Accepts]: Start accepts. Automaton has 10878 states and 15369 transitions. Word has length 132 [2020-10-15 02:33:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:43,545 INFO L479 AbstractCegarLoop]: Abstraction has 10878 states and 15369 transitions. [2020-10-15 02:33:43,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:33:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10878 states and 15369 transitions. [2020-10-15 02:33:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:43,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:43,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:43,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:33:43,550 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:43,550 INFO L82 PathProgramCache]: Analyzing trace with hash -57050771, now seen corresponding path program 1 times [2020-10-15 02:33:43,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:43,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134796184] [2020-10-15 02:33:43,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:43,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:43,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 02:33:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:33:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:48,814 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:48,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:48,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:48,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:33:48,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:48,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:48,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:33:48,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:48,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 02:33:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:48,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:48,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:48,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:48,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:48,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:48,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:48,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:48,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:33:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:48,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:48,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:48,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:49,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:33:49,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:49,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:33:49,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:49,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:33:49,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:33:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:49,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:33:49,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:49,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:49,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:33:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:49,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134796184] [2020-10-15 02:33:49,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:49,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:33:49,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697730899] [2020-10-15 02:33:49,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:33:49,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:49,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:33:49,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:33:49,375 INFO L87 Difference]: Start difference. First operand 10878 states and 15369 transitions. Second operand 13 states. [2020-10-15 02:33:49,761 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:51,959 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:33:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:54,188 INFO L93 Difference]: Finished difference Result 31610 states and 44899 transitions. [2020-10-15 02:33:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:33:54,189 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 02:33:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:54,284 INFO L225 Difference]: With dead ends: 31610 [2020-10-15 02:33:54,284 INFO L226 Difference]: Without dead ends: 20800 [2020-10-15 02:33:54,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:33:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20800 states. [2020-10-15 02:33:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20800 to 20798. [2020-10-15 02:33:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20798 states. [2020-10-15 02:33:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20798 states to 20798 states and 29237 transitions. [2020-10-15 02:33:56,495 INFO L78 Accepts]: Start accepts. Automaton has 20798 states and 29237 transitions. Word has length 132 [2020-10-15 02:33:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:56,496 INFO L479 AbstractCegarLoop]: Abstraction has 20798 states and 29237 transitions. [2020-10-15 02:33:56,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:33:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 20798 states and 29237 transitions. [2020-10-15 02:33:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:56,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:56,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:56,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:33:56,499 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1695278921, now seen corresponding path program 1 times [2020-10-15 02:33:56,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:56,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115542194] [2020-10-15 02:33:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:56,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:01,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:01,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:01,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:34:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:34:01,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:01,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:34:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:34:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:34:01,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:01,873 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:01,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:01,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:01,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:34:01,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:01,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:01,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:01,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:01,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:01,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 02:34:01,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:01,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:34:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:34:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:02,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:34:02,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:34:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:34:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:34:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:34:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:34:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:02,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:34:02,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:02,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:02,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:34:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:02,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:34:02,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:02,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:02,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:34:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:34:02,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:02,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115542194] [2020-10-15 02:34:02,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:02,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-10-15 02:34:02,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452941491] [2020-10-15 02:34:02,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-15 02:34:02,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-15 02:34:02,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:34:02,657 INFO L87 Difference]: Start difference. First operand 20798 states and 29237 transitions. Second operand 27 states. [2020-10-15 02:34:02,945 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:34:03,180 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:34:03,398 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:34:03,620 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:03,859 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:34:04,101 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:34:04,347 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:34:04,721 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:34:05,105 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:05,303 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:06,014 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:06,223 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:34:07,449 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:34:07,680 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:34:07,901 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:34:08,029 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:34:10,491 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:11,103 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:34:12,164 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:34:13,196 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:14,524 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:15,758 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:16,696 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:34:16,950 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:17,938 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:18,229 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:34:18,743 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:19,363 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:34:20,012 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:20,325 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:34:21,676 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:22,614 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:23,075 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:34:23,775 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:26,261 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:26,404 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:34:27,564 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:27,711 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:27,851 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:28,538 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:29,094 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:29,236 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:29,382 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:29,964 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:30,564 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:30,700 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:34:31,063 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:34:31,868 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:32,004 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:34:32,264 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:32,983 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:34:33,266 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:34:34,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:34,358 INFO L93 Difference]: Finished difference Result 54130 states and 79083 transitions. [2020-10-15 02:34:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2020-10-15 02:34:34,362 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 132 [2020-10-15 02:34:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:34,539 INFO L225 Difference]: With dead ends: 54130 [2020-10-15 02:34:34,539 INFO L226 Difference]: Without dead ends: 33400 [2020-10-15 02:34:34,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12948 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=5357, Invalid=28315, Unknown=0, NotChecked=0, Total=33672 [2020-10-15 02:34:34,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33400 states. [2020-10-15 02:34:36,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33400 to 28910. [2020-10-15 02:34:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28910 states. [2020-10-15 02:34:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28910 states to 28910 states and 41045 transitions. [2020-10-15 02:34:36,752 INFO L78 Accepts]: Start accepts. Automaton has 28910 states and 41045 transitions. Word has length 132 [2020-10-15 02:34:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:36,752 INFO L479 AbstractCegarLoop]: Abstraction has 28910 states and 41045 transitions. [2020-10-15 02:34:36,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-15 02:34:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28910 states and 41045 transitions. [2020-10-15 02:34:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:36,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:36,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:36,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:34:36,755 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:36,755 INFO L82 PathProgramCache]: Analyzing trace with hash -659885431, now seen corresponding path program 1 times [2020-10-15 02:34:36,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:36,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533571817] [2020-10-15 02:34:36,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:41,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:41,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-15 02:34:41,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:34:41,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:34:41,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-15 02:34:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,101 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:42,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:34:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 02:34:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:42,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:34:42,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:34:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:42,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:34:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:42,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:34:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:34:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:42,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:34:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:34:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:42,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533571817] [2020-10-15 02:34:42,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:42,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-15 02:34:42,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145071639] [2020-10-15 02:34:42,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:34:42,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:42,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:34:42,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:34:42,529 INFO L87 Difference]: Start difference. First operand 28910 states and 41045 transitions. Second operand 17 states. [2020-10-15 02:34:43,153 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-15 02:34:43,360 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:44,114 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2020-10-15 02:34:44,298 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-10-15 02:34:44,566 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:34:44,830 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:34:45,097 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:34:45,322 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:34:45,547 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:34:45,933 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 169 [2020-10-15 02:34:46,154 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2020-10-15 02:34:46,527 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2020-10-15 02:34:46,771 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:47,014 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:47,271 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:47,537 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:47,819 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:48,136 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-10-15 02:34:48,393 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-10-15 02:34:48,579 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2020-10-15 02:34:50,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:50,173 INFO L93 Difference]: Finished difference Result 61040 states and 85400 transitions. [2020-10-15 02:34:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:34:50,174 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-10-15 02:34:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:50,283 INFO L225 Difference]: With dead ends: 61040 [2020-10-15 02:34:50,283 INFO L226 Difference]: Without dead ends: 32198 [2020-10-15 02:34:50,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 02:34:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32198 states. [2020-10-15 02:34:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32198 to 29186. [2020-10-15 02:34:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29186 states. [2020-10-15 02:34:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29186 states to 29186 states and 41393 transitions. [2020-10-15 02:34:53,521 INFO L78 Accepts]: Start accepts. Automaton has 29186 states and 41393 transitions. Word has length 132 [2020-10-15 02:34:53,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:53,522 INFO L479 AbstractCegarLoop]: Abstraction has 29186 states and 41393 transitions. [2020-10-15 02:34:53,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:34:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29186 states and 41393 transitions. [2020-10-15 02:34:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:53,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:53,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:53,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:34:53,525 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash -2010633165, now seen corresponding path program 1 times [2020-10-15 02:34:53,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:53,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193804342] [2020-10-15 02:34:53,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:53,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:54,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 02:34:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,741 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:58,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:34:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:34:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:34:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:34:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:58,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:34:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:34:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:58,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:58,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:59,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:59,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193804342] [2020-10-15 02:34:59,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:59,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:34:59,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937414631] [2020-10-15 02:34:59,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:34:59,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:59,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:34:59,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:34:59,070 INFO L87 Difference]: Start difference. First operand 29186 states and 41393 transitions. Second operand 13 states. [2020-10-15 02:34:59,287 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:35:01,946 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:35:02,155 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:05,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:35:05,819 INFO L93 Difference]: Finished difference Result 84548 states and 120471 transitions. [2020-10-15 02:35:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:35:05,823 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 02:35:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:35:05,997 INFO L225 Difference]: With dead ends: 84548 [2020-10-15 02:35:05,997 INFO L226 Difference]: Without dead ends: 55682 [2020-10-15 02:35:06,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:35:06,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55682 states. [2020-10-15 02:35:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55682 to 55662. [2020-10-15 02:35:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55662 states. [2020-10-15 02:35:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55662 states to 55662 states and 78425 transitions. [2020-10-15 02:35:09,970 INFO L78 Accepts]: Start accepts. Automaton has 55662 states and 78425 transitions. Word has length 132 [2020-10-15 02:35:09,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:35:09,970 INFO L479 AbstractCegarLoop]: Abstraction has 55662 states and 78425 transitions. [2020-10-15 02:35:09,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:35:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 55662 states and 78425 transitions. [2020-10-15 02:35:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:35:09,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:35:09,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:35:09,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:35:09,973 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:35:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:35:09,973 INFO L82 PathProgramCache]: Analyzing trace with hash 690049449, now seen corresponding path program 1 times [2020-10-15 02:35:09,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:35:09,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514832990] [2020-10-15 02:35:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:35:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:10,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:10,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:35:15,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:35:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,217 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:35:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:35:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:35:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:35:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:35:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:35:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:35:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:35:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:35:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:35:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:15,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:35:15,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:35:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:35:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:35:15,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:35:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:35:15,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:35:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:35:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:35:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:35:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:35:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:15,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:35:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:15,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:15,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:15,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:35:15,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:15,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:35:15,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:35:15,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514832990] [2020-10-15 02:35:15,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:35:15,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:35:15,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21995072] [2020-10-15 02:35:15,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:35:15,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:35:15,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:35:15,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:35:15,888 INFO L87 Difference]: Start difference. First operand 55662 states and 78425 transitions. Second operand 25 states. [2020-10-15 02:35:16,155 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:35:16,390 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:35:16,602 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:35:16,817 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:35:17,999 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:35:18,231 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:35:18,466 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:35:18,769 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:35:19,128 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:19,328 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:35:20,000 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:20,212 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:35:20,882 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:21,071 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:21,438 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:21,951 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:22,458 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:23,073 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:35:23,278 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:35:24,823 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:35:25,859 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:35:25,997 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:28,849 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:35:31,658 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:35:31,881 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:35:32,097 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:35:32,309 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:35:33,876 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:35,706 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:35,892 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:37,595 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:37,875 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:39,321 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:39,907 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:35:40,725 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:41,181 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:41,316 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:41,937 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:42,083 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:43,074 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:43,218 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:43,726 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:43,874 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:44,118 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:44,701 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:44,843 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:45,348 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:45,647 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:35:49,539 INFO L93 Difference]: Finished difference Result 121420 states and 177902 transitions. [2020-10-15 02:35:49,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2020-10-15 02:35:49,540 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 132 [2020-10-15 02:35:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:35:49,890 INFO L225 Difference]: With dead ends: 121420 [2020-10-15 02:35:49,891 INFO L226 Difference]: Without dead ends: 97466 [2020-10-15 02:35:49,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11763 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=5358, Invalid=25442, Unknown=0, NotChecked=0, Total=30800 [2020-10-15 02:35:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97466 states. [2020-10-15 02:35:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97466 to 84574. [2020-10-15 02:35:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84574 states. [2020-10-15 02:35:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84574 states to 84574 states and 119129 transitions. [2020-10-15 02:35:58,189 INFO L78 Accepts]: Start accepts. Automaton has 84574 states and 119129 transitions. Word has length 132 [2020-10-15 02:35:58,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:35:58,189 INFO L479 AbstractCegarLoop]: Abstraction has 84574 states and 119129 transitions. [2020-10-15 02:35:58,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:35:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 84574 states and 119129 transitions. [2020-10-15 02:35:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:35:58,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:35:58,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:35:58,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:35:58,191 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:35:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:35:58,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2082748885, now seen corresponding path program 1 times [2020-10-15 02:35:58,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:35:58,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274710391] [2020-10-15 02:35:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:35:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:58,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:58,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking...